3x+9=7x-6

Simple and best practice solution for 3x+9=7x-6 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 3x+9=7x-6 equation:


Simplifying
3x + 9 = 7x + -6

Reorder the terms:
9 + 3x = 7x + -6

Reorder the terms:
9 + 3x = -6 + 7x

Solving
9 + 3x = -6 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
9 + 3x + -7x = -6 + 7x + -7x

Combine like terms: 3x + -7x = -4x
9 + -4x = -6 + 7x + -7x

Combine like terms: 7x + -7x = 0
9 + -4x = -6 + 0
9 + -4x = -6

Add '-9' to each side of the equation.
9 + -9 + -4x = -6 + -9

Combine like terms: 9 + -9 = 0
0 + -4x = -6 + -9
-4x = -6 + -9

Combine like terms: -6 + -9 = -15
-4x = -15

Divide each side by '-4'.
x = 3.75

Simplifying
x = 3.75

See similar equations:

| (x+5)(x-6)(x-13)=0 | | 7-3(d-1)= | | v=(2x+5)*(x-1)*10 | | a^9+4a^8b+-5a^7b^2= | | x-7.5=-6.6 | | 108=4x+20 | | 6+3y=9-5y | | (x+2)(2x-5)=54 | | fx=5x/4x-16 | | m-1.25=.75 | | w^2-172=0 | | a^5+7a^4b+-8a^3b^2= | | 4x^2-3x-5= | | 338-6x^2=o | | A=21pim^2 | | 1/4(4-k)=2/5 | | 9x^2+y^2-72x-12y+99=0 | | √2/3 | | (4z-9)(7+z)=0 | | a-10=-8 | | 8log(-3n-3)+10=18 | | 24=8x+48 | | (2/3)(x+5)=4/9 | | X^2+3x=968 | | x^2-8x-31=0 | | (-9/7)w(-6) | | 2=4-3x^2 | | x+8=37 | | 5-5n-2n=5 | | 35+x=3x(5+x) | | 4x-4+13=5x-1+9x | | 23x/x^2 |

Equations solver categories