3x-(x-4)=20

Simple and best practice solution for 3x-(x-4)=20 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-(x-4)=20 equation:


Simplifying
3x + -1(x + -4) = 20

Reorder the terms:
3x + -1(-4 + x) = 20
3x + (-4 * -1 + x * -1) = 20
3x + (4 + -1x) = 20

Reorder the terms:
4 + 3x + -1x = 20

Combine like terms: 3x + -1x = 2x
4 + 2x = 20

Solving
4 + 2x = 20

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 2x = 20 + -4

Combine like terms: 4 + -4 = 0
0 + 2x = 20 + -4
2x = 20 + -4

Combine like terms: 20 + -4 = 16
2x = 16

Divide each side by '2'.
x = 8

Simplifying
x = 8

See similar equations:

| 4*x+22= | | -10x-3(x-2)=y | | 2(x+4)-(2x-8)=0 | | X^2=11x-38 | | 3e+6=e-4 | | 8/22 | | -c=51 | | 450000-22000x=-155000-(-12000) | | 8x^2-10=x^2+25 | | -13X=22 | | -2/4+x=1/4 | | y/20+5=7 | | 3t+4-(2t-3)=5t-5 | | 24=x-19 | | 300+10x=240+12x | | y=-2x^2+18x | | (5x-3)+(3x+7)=90 | | 9p+14= | | g+17=35 | | 3(8x+22)=54 | | d=80(4) | | 9/10x=45 | | 3.5x=-10.5 | | 40-3x=16 | | 5x+14=-x | | -1/3x=8 | | 25-5t=10 | | 10-3x=4x | | 4/3x-2/7=-34/21 | | 6x+5y=-7 | | 5x+8-12= | | x^2-1x-4=0 |

Equations solver categories