2x-21=x+7

Simple and best practice solution for 2x-21=x+7 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 2x-21=x+7 equation:


Simplifying
2x + -21 = x + 7

Reorder the terms:
-21 + 2x = x + 7

Reorder the terms:
-21 + 2x = 7 + x

Solving
-21 + 2x = 7 + 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.
-21 + 2x + -1x = 7 + x + -1x

Combine like terms: 2x + -1x = 1x
-21 + 1x = 7 + x + -1x

Combine like terms: x + -1x = 0
-21 + 1x = 7 + 0
-21 + 1x = 7

Add '21' to each side of the equation.
-21 + 21 + 1x = 7 + 21

Combine like terms: -21 + 21 = 0
0 + 1x = 7 + 21
1x = 7 + 21

Combine like terms: 7 + 21 = 28
1x = 28

Divide each side by '1'.
x = 28

Simplifying
x = 28

See similar equations:

| 20x=16x-6 | | -2=3x/(5)+1 | | x^2-4x-2=-x^2-x-3 | | -x^2+7x+10=0 | | 12=2+z/(-6) | | -4(n+4)-6n=-86 | | 2x+x+2+2x+4=x | | 2x+x+2+2x=4 | | -10=-7n+5n | | 6v=96 | | 15--57=p | | 5x^2-20x+15= | | 12a-11=9q-1 | | 2x^2-6k=10 | | 2m-7m=-10 | | (9y+7)-(8y+7)= | | 2xsquared-6k=10 | | 8+4p+4p=0 | | 6a-7=7 | | 2.8=-10(0.9+Y) | | 2-7k=40 | | x^2+20x+100=-x^2-16x+388 | | x=10/2+8 | | 5x+8=2y+x | | mx+n=2mx-nforx | | 2x(3+x)=24 | | 5p+9=41 | | -21=6-7x+8 | | 8y-(6y-5)= | | 10=x/2+8 | | 20-t=4t | | 80-5=1/7 |

Equations solver categories