3(2x-3)9x-4=2x+12

Simple and best practice solution for 3(2x-3)9x-4=2x+12 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 3(2x-3)9x-4=2x+12 equation:


Simplifying
3(2x + -3) * 9x + -4 = 2x + 12

Reorder the terms:
3(-3 + 2x) * 9x + -4 = 2x + 12

Reorder the terms for easier multiplication:
3 * 9x(-3 + 2x) + -4 = 2x + 12

Multiply 3 * 9
27x(-3 + 2x) + -4 = 2x + 12
(-3 * 27x + 2x * 27x) + -4 = 2x + 12
(-81x + 54x2) + -4 = 2x + 12

Reorder the terms:
-4 + -81x + 54x2 = 2x + 12

Reorder the terms:
-4 + -81x + 54x2 = 12 + 2x

Solving
-4 + -81x + 54x2 = 12 + 2x

Solving for variable 'x'.

Reorder the terms:
-4 + -12 + -81x + -2x + 54x2 = 12 + 2x + -12 + -2x

Combine like terms: -4 + -12 = -16
-16 + -81x + -2x + 54x2 = 12 + 2x + -12 + -2x

Combine like terms: -81x + -2x = -83x
-16 + -83x + 54x2 = 12 + 2x + -12 + -2x

Reorder the terms:
-16 + -83x + 54x2 = 12 + -12 + 2x + -2x

Combine like terms: 12 + -12 = 0
-16 + -83x + 54x2 = 0 + 2x + -2x
-16 + -83x + 54x2 = 2x + -2x

Combine like terms: 2x + -2x = 0
-16 + -83x + 54x2 = 0

Begin completing the square.  Divide all terms by
54 the coefficient of the squared term: 

Divide each side by '54'.
-0.2962962963 + -1.537037037x + x2 = 0

Move the constant term to the right:

Add '0.2962962963' to each side of the equation.
-0.2962962963 + -1.537037037x + 0.2962962963 + x2 = 0 + 0.2962962963

Reorder the terms:
-0.2962962963 + 0.2962962963 + -1.537037037x + x2 = 0 + 0.2962962963

Combine like terms: -0.2962962963 + 0.2962962963 = 0.0000000000
0.0000000000 + -1.537037037x + x2 = 0 + 0.2962962963
-1.537037037x + x2 = 0 + 0.2962962963

Combine like terms: 0 + 0.2962962963 = 0.2962962963
-1.537037037x + x2 = 0.2962962963

The x term is -1.537037037x.  Take half its coefficient (-0.7685185185).
Square it (0.5906207133) and add it to both sides.

Add '0.5906207133' to each side of the equation.
-1.537037037x + 0.5906207133 + x2 = 0.2962962963 + 0.5906207133

Reorder the terms:
0.5906207133 + -1.537037037x + x2 = 0.2962962963 + 0.5906207133

Combine like terms: 0.2962962963 + 0.5906207133 = 0.8869170096
0.5906207133 + -1.537037037x + x2 = 0.8869170096

Factor a perfect square on the left side:
(x + -0.7685185185)(x + -0.7685185185) = 0.8869170096

Calculate the square root of the right side: 0.941762714

Break this problem into two subproblems by setting 
(x + -0.7685185185) equal to 0.941762714 and -0.941762714.

Subproblem 1

x + -0.7685185185 = 0.941762714 Simplifying x + -0.7685185185 = 0.941762714 Reorder the terms: -0.7685185185 + x = 0.941762714 Solving -0.7685185185 + x = 0.941762714 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.7685185185' to each side of the equation. -0.7685185185 + 0.7685185185 + x = 0.941762714 + 0.7685185185 Combine like terms: -0.7685185185 + 0.7685185185 = 0.0000000000 0.0000000000 + x = 0.941762714 + 0.7685185185 x = 0.941762714 + 0.7685185185 Combine like terms: 0.941762714 + 0.7685185185 = 1.7102812325 x = 1.7102812325 Simplifying x = 1.7102812325

Subproblem 2

x + -0.7685185185 = -0.941762714 Simplifying x + -0.7685185185 = -0.941762714 Reorder the terms: -0.7685185185 + x = -0.941762714 Solving -0.7685185185 + x = -0.941762714 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.7685185185' to each side of the equation. -0.7685185185 + 0.7685185185 + x = -0.941762714 + 0.7685185185 Combine like terms: -0.7685185185 + 0.7685185185 = 0.0000000000 0.0000000000 + x = -0.941762714 + 0.7685185185 x = -0.941762714 + 0.7685185185 Combine like terms: -0.941762714 + 0.7685185185 = -0.1732441955 x = -0.1732441955 Simplifying x = -0.1732441955

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.7102812325, -0.1732441955}

See similar equations:

| 2(3-z)=16-2(3+2z) | | 6(n+10)=9n+42 | | 12+5f-2f=9 | | 7y-2(3-y)=4(y+1) | | 22+-5(6v-1)=-63 | | 2(x+1)+15x=-(3x-17)+5x | | a+4a-6=54 | | 8(5x-3)=5x+11 | | 5-3(4-2x)=4(x-3)-3 | | 5x+13=4x+9 | | 435=(25+x)+(3x)+x | | 7x(4x-3)(4x+5)=0 | | .66666(5x-16)=10 | | 1+6x=3x+28 | | -96=24x | | 13x=-104 | | 13x=-104 | | 11x=10x+25 | | 2(2-3Z)=8-2(4Z+5) | | -5x-4+3x=-28 | | 4x^2+-87x+-41=0 | | 2a+3b+4c=44 | | 3(w+2)=(12-w) | | 6(x+2)=4-(3-2x)-1 | | 2q^2+4q-1=7q^2+1 | | 2q^2+4q=7q^2+1 | | -4x-3-7x=19 | | 7x-2=5x+22 | | 3y-(4-2y)=3(y+2) | | -7x-1-4x=-78 | | (x+4)-(x-6)=5(x-8) | | 8(x+5)+4=8x+4 |

Equations solver categories