7x-3(x-1)=8x+21-3x

Simple and best practice solution for 7x-3(x-1)=8x+21-3x 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 7x-3(x-1)=8x+21-3x equation:


Simplifying
7x + -3(x + -1) = 8x + 21 + -3x

Reorder the terms:
7x + -3(-1 + x) = 8x + 21 + -3x
7x + (-1 * -3 + x * -3) = 8x + 21 + -3x
7x + (3 + -3x) = 8x + 21 + -3x

Reorder the terms:
3 + 7x + -3x = 8x + 21 + -3x

Combine like terms: 7x + -3x = 4x
3 + 4x = 8x + 21 + -3x

Reorder the terms:
3 + 4x = 21 + 8x + -3x

Combine like terms: 8x + -3x = 5x
3 + 4x = 21 + 5x

Solving
3 + 4x = 21 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
3 + 4x + -5x = 21 + 5x + -5x

Combine like terms: 4x + -5x = -1x
3 + -1x = 21 + 5x + -5x

Combine like terms: 5x + -5x = 0
3 + -1x = 21 + 0
3 + -1x = 21

Add '-3' to each side of the equation.
3 + -3 + -1x = 21 + -3

Combine like terms: 3 + -3 = 0
0 + -1x = 21 + -3
-1x = 21 + -3

Combine like terms: 21 + -3 = 18
-1x = 18

Divide each side by '-1'.
x = -18

Simplifying
x = -18

See similar equations:

| 6(2+2x)=7(x-1) | | -9+2x=-17 | | -16x-8=8x-12 | | -2x+18=x-13 | | 24z^6-21z^4/3z^3 | | -2x+9=x-13 | | (3,2),m=-5/7 | | 3(1-x)=1(3+x) | | -4x+12=5x+4 | | 1(2+x)=1(10+x) | | an=(-3)n | | 1/3-0.08 | | 0.08-1/3 | | -7x-5y=14 | | x-23=38 | | 7x+33=9x+5 | | 1(11+x)=1(29+4x) | | 7m^2-9m-8= | | 3.8x+.2x^2=0 | | 33=3n | | 1(13+x)=1(47+x) | | 2(26-5x)=3(6-2x) | | y^2dx+(2xy+3)dy=0 | | y=-4x^2-24x+11 | | (3/4+3/16)*1/2= | | w-20=17 | | 2-3f+1=5f+9 | | 6x^6-5x^5-27x^4+10x^3+34x^2-8=0 | | 3m^2-5m=5m-7 | | -7(y+4)=5y-2y-3 | | x-(0.04)x=20.16 | | 4x+5-25+9=100 |

Equations solver categories