(3x+12)+(x-8)=90

Simple and best practice solution for (3x+12)+(x-8)=90 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+12)+(x-8)=90 equation:


Simplifying
(3x + 12) + (x + -8) = 90

Reorder the terms:
(12 + 3x) + (x + -8) = 90

Remove parenthesis around (12 + 3x)
12 + 3x + (x + -8) = 90

Reorder the terms:
12 + 3x + (-8 + x) = 90

Remove parenthesis around (-8 + x)
12 + 3x + -8 + x = 90

Reorder the terms:
12 + -8 + 3x + x = 90

Combine like terms: 12 + -8 = 4
4 + 3x + x = 90

Combine like terms: 3x + x = 4x
4 + 4x = 90

Solving
4 + 4x = 90

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 + 4x = 90 + -4

Combine like terms: 4 + -4 = 0
0 + 4x = 90 + -4
4x = 90 + -4

Combine like terms: 90 + -4 = 86
4x = 86

Divide each side by '4'.
x = 21.5

Simplifying
x = 21.5

See similar equations:

| 9(7x+2)=6-(x+5) | | 3x-33=7-5x | | -10=-4p+2p | | 2y(-3+5)=-6xy+10y | | x/7-9=2 | | 3(x-8)=3x-8 | | 2y(-3+5)=6y+5 | | 9ab/6a | | 2000=1/3y | | 4x+3y=390 | | (-26)+x= | | (62+20)x=300+20x | | 4x^3-3x+5=0 | | 2y(-3+5)=-16y | | 90=2x-7 | | -6(7-4x)=-234 | | 6.8+4.2d=14.2 | | 2/7•-5/9•-3 | | (1/6y)-(1/3)=(-3/2y)+(5/6) | | 6t-15=-81 | | (k/-10)=0 | | 5m-6+3m=-14 | | 6x-2=2x-46 | | -4-(-5)+(-2)= | | 156=208P | | 13-(3t-4)=8(-2t+11) | | (a/6)=1 | | 2x^2-4x+4=9 | | -19+(-9)-14= | | Y-2=-2/3 | | -76=-4(4x+3) | | 6x^2-19r+8=0 |

Equations solver categories