-3(x-4)+7x=8x-9

Simple and best practice solution for -3(x-4)+7x=8x-9 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(x-4)+7x=8x-9 equation:


Simplifying
-3(x + -4) + 7x = 8x + -9

Reorder the terms:
-3(-4 + x) + 7x = 8x + -9
(-4 * -3 + x * -3) + 7x = 8x + -9
(12 + -3x) + 7x = 8x + -9

Combine like terms: -3x + 7x = 4x
12 + 4x = 8x + -9

Reorder the terms:
12 + 4x = -9 + 8x

Solving
12 + 4x = -9 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
12 + 4x + -8x = -9 + 8x + -8x

Combine like terms: 4x + -8x = -4x
12 + -4x = -9 + 8x + -8x

Combine like terms: 8x + -8x = 0
12 + -4x = -9 + 0
12 + -4x = -9

Add '-12' to each side of the equation.
12 + -12 + -4x = -9 + -12

Combine like terms: 12 + -12 = 0
0 + -4x = -9 + -12
-4x = -9 + -12

Combine like terms: -9 + -12 = -21
-4x = -21

Divide each side by '-4'.
x = 5.25

Simplifying
x = 5.25

See similar equations:

| b+4.6=8.3 | | 3x-7-9=3x-16 | | 5600+2y=9200 | | 6x-9=-3x-39 | | 8x-7=-5 | | -4(3t-2)+2t=7t-8 | | 10x=72 | | 3X^2-15x^2=0 | | r^2-20r+52=0 | | -3(5t-5)+7t=3t-5 | | x^2+40x+11=0 | | -7x-4x-58=85 | | -29-2x+8x=61 | | 390-w=170 | | 1950-7w=800 | | -3x-55-2x=45 | | -25+6x-5x=10 | | -5x-3x-51=61 | | 8x-101+5x=29 | | -12+6x-5x=10 | | 6x-50+3x=31 | | 4x-8x-49=31 | | 10s+5t= | | 6x-4x-13=5 | | 12+4y=24 | | -8x-7x-56=79 | | 6+4y=24 | | -x-5x-40=14 | | -x-10+3x=22 | | 12-6y=0 | | 8-6y=0 | | -6x-8+7x=10 |

Equations solver categories