2x+21=12x-99

Simple and best practice solution for 2x+21=12x-99 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=12x-99 equation:


Simplifying
2x + 21 = 12x + -99

Reorder the terms:
21 + 2x = 12x + -99

Reorder the terms:
21 + 2x = -99 + 12x

Solving
21 + 2x = -99 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
21 + 2x + -12x = -99 + 12x + -12x

Combine like terms: 2x + -12x = -10x
21 + -10x = -99 + 12x + -12x

Combine like terms: 12x + -12x = 0
21 + -10x = -99 + 0
21 + -10x = -99

Add '-21' to each side of the equation.
21 + -21 + -10x = -99 + -21

Combine like terms: 21 + -21 = 0
0 + -10x = -99 + -21
-10x = -99 + -21

Combine like terms: -99 + -21 = -120
-10x = -120

Divide each side by '-10'.
x = 12

Simplifying
x = 12

See similar equations:

| 5(2-3)+2(8+2)= | | x+21+3x=-29-3x-34 | | 5x-3(2x+1)=-(4x-1) | | 1=2x+6x+1 | | 3(2z-2)=5(z+3) | | 3(y+8)=4(y-8) | | -5-7=6x+7-5x | | .25y+9=.5 | | 6x-3=16x-83 | | 109-2x=25x+16 | | 5m+4m=27 | | -5x-5x=55-5 | | graphy=4x-3 | | .5y+1=3 | | -7x+7+x=-29 | | 12x+7=10x+19 | | 14-10x=38-31x | | 68=9x-4 | | 2x^2+10-28=0 | | 5n-2=18 | | 3[4-2(5-3)]= | | -16-h+2=h-10 | | 6x+1=x+19 | | 3r+5=35 | | 2k*12k=60 | | 5z=13-28 | | x^2+18x-77=0 | | 2k*6k= | | 24=t+7t | | 4(2x+8)=5(2x+4) | | 16-v=232 | | 14m+3n-4m+11n= |

Equations solver categories