-3(2x-4)=9x+42

Simple and best practice solution for -3(2x-4)=9x+42 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-4)=9x+42 equation:


Simplifying
-3(2x + -4) = 9x + 42

Reorder the terms:
-3(-4 + 2x) = 9x + 42
(-4 * -3 + 2x * -3) = 9x + 42
(12 + -6x) = 9x + 42

Reorder the terms:
12 + -6x = 42 + 9x

Solving
12 + -6x = 42 + 9x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-9x' to each side of the equation.
12 + -6x + -9x = 42 + 9x + -9x

Combine like terms: -6x + -9x = -15x
12 + -15x = 42 + 9x + -9x

Combine like terms: 9x + -9x = 0
12 + -15x = 42 + 0
12 + -15x = 42

Add '-12' to each side of the equation.
12 + -12 + -15x = 42 + -12

Combine like terms: 12 + -12 = 0
0 + -15x = 42 + -12
-15x = 42 + -12

Combine like terms: 42 + -12 = 30
-15x = 30

Divide each side by '-15'.
x = -2

Simplifying
x = -2

See similar equations:

| 2(x+2)=5x-17 | | 41x-7=-46 | | 3x+20=5x+30 | | -12(x-4)=6(3x+5) | | 2(x-3)=-2(3x-5) | | x=27+13 | | (-6x-5)-2=-7-5x | | -2x-140=8x | | 3x=346 | | 25=x^2-27 | | g(x)=3x^3-3 | | 4t+8=-8t-13 | | 8x-7y=-50 | | 15x-13=6x+95 | | 133-y=180 | | (x-8)(3x-7)=0 | | 15x-2y=4y | | 30+x+33=90 | | 7(x+2)=-4x+25 | | 8+3x=3x-8 | | (2t-4)(t+3)=0 | | y=2x+39 | | 4x+48+7x=15 | | -3(b+8)=9 | | j/5=12 | | 16x-36=180 | | SinW=0.76 | | 4r+2=r+5 | | (a+3)(a+5)=0 | | (2x-30)=40 | | 4x+6-7(x+1)=5x+2 | | C=25m+75 |

Equations solver categories