7x-8-3x=20

Simple and best practice solution for 7x-8-3x=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 7x-8-3x=20 equation: 


Simplifying
7x + -8 + -3x = 20

Reorder the terms:
-8 + 7x + -3x = 20

Combine like terms: 7x + -3x = 4x
-8 + 4x = 20

Solving
-8 + 4x = 20

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + 4x = 20 + 8

Combine like terms: -8 + 8 = 0
0 + 4x = 20 + 8
4x = 20 + 8

Combine like terms: 20 + 8 = 28
4x = 28

Divide each side by '4'.
x = 7

Simplifying
x = 7

See similar equations:

| 3x+10+4x=38 | | 25x+8=6x+20 | | -7+6x-5x=-19 | | 36=6x+5x+3 | | 3x-20=x-15 | | -16s+13+s=-5-14s | | -9p-6p-10=-14p+10 | | 5x-x-2x+2=12 | | 2x^2-45x-8=0 | | -15-10m=-20m-10m+5 | | 4+4x=56 | | 13b-b-10b-1=3 | | -17+5z=8z+15+19 | | x+(x-2)+(x+2)=60 | | 13-b-10b-1=3 | | 8x-2x-5=x+25 | | -8+4x=3x-19 | | 5a-a-4=8 | | 4(6+2x)=92 | | 9=27/c | | 19y-13=-9y+7-5y | | 15x-4y=32 | | 10p-9p-p+p=11 | | 13q-2=8+8+4q | | -12-16+14j=11j+17 | | 19b-b-17b=17 | | x+7=-5x+37 | | 28/b=7 | | -3c-5c-3=-6-15 | | 8m-7m-m+m+m=20 | | -5x-6=-3x+6 | | x^2+138x-864=0 |

Equations solver categories