21-8x=21+x

Simple and best practice solution for 21-8x=21+x 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 21-8x=21+x equation:


Simplifying
21 + -8x = 21 + x

Add '-21' to each side of the equation.
21 + -21 + -8x = 21 + -21 + x

Combine like terms: 21 + -21 = 0
0 + -8x = 21 + -21 + x
-8x = 21 + -21 + x

Combine like terms: 21 + -21 = 0
-8x = 0 + x
-8x = x

Solving
-8x = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-8x + -1x = x + -1x

Combine like terms: -8x + -1x = -9x
-9x = x + -1x

Combine like terms: x + -1x = 0
-9x = 0

Divide each side by '-9'.
x = 0

Simplifying
x = 0

See similar equations:

| Y+2=4x-0 | | 7k-5x=2/3(ax-6) | | 39=-3-7y | | x^2-(1-i)*x+(2-2i)=0 | | (4x-2)=(3x+19) | | 2/3w=1/3w-3 | | 5x-x^2=6 | | X+7y=0-7y | | K/6=-540 | | 5-21/2 | | 2x-12x+18=32 | | (3x-22)=180 | | 4n+106+7n+9n-4=180 | | -0.5x=-0.73 | | K/6=-549 | | 3+4z=51 | | 7=2/3X | | 10+5s=1+6s | | x^2-16y^2-12x-128y-284=0 | | 5x(3x-1)+7(3x-1)= | | 10m-3-2-10+5= | | 2x+5=5x-222 | | 9/17=x/8.5 | | -7u+3(u-8)=8 | | 6x=10y+2 | | 1-n=-80 | | 3w+7=2w+14+w | | (18-9i)(2+I)= | | 9y=234-13x | | 1/3x11/1 | | 6m+1=2m+13 | | .5*14y=17 |

Equations solver categories