3x+40=8x-20

Simple and best practice solution for 3x+40=8x-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+40=8x-20 equation:


Simplifying
3x + 40 = 8x + -20

Reorder the terms:
40 + 3x = 8x + -20

Reorder the terms:
40 + 3x = -20 + 8x

Solving
40 + 3x = -20 + 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.
40 + 3x + -8x = -20 + 8x + -8x

Combine like terms: 3x + -8x = -5x
40 + -5x = -20 + 8x + -8x

Combine like terms: 8x + -8x = 0
40 + -5x = -20 + 0
40 + -5x = -20

Add '-40' to each side of the equation.
40 + -40 + -5x = -20 + -40

Combine like terms: 40 + -40 = 0
0 + -5x = -20 + -40
-5x = -20 + -40

Combine like terms: -20 + -40 = -60
-5x = -60

Divide each side by '-5'.
x = 12

Simplifying
x = 12

See similar equations:

| 6x^2-21xy=0 | | (3xy+5x+10)+(2x^2+5xy+9)= | | 5=-w+261 | | 11+x=30 | | Y=.15x^2+.40 | | (x+2i)=0 | | 48x^3-32x^2-3x+2=0 | | 80-x=54 | | 14.8/5 | | x-14.79=7.39 | | ax^2+bx-3=0 | | Y=2*.15x+.40 | | 4x-x^2-21=0 | | 42-(x+3)(x+4)=0 | | 22x=15x^2 | | 4f=19.2 | | Y=2(.15x)+.40 | | 4(x-1)-1=3 | | 64+2y=10y | | 3=z-1 | | -3-5n=-1 | | 7y=81-2y | | -8+2g=4 | | Y=2(.15)x+.40 | | 93/3x | | -2=10d-3 | | 7=-2+3b | | -3u^2-48u=51 | | 5x^3+16x^2-x=-y^2+2y+24 | | -29x=5x+6-12x | | 22-3x=4-6x | | 5m+23=51+2m |

Equations solver categories