9x+3x=138

Simple and best practice solution for 9x+3x=138 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 9x+3x=138 equation: 



9x+3x=138

We move all terms to the left:

9x+3x-(138)=0

We add all the numbers together, and all the variables

12x-138=0

We move all terms containing x to the left, all other terms to the right

12x=138

x=138/12

x=11+1/2

See similar equations:

| -3,5x-4=3 | | -4x=-10x+18 | | 5/4x-2=3 | | –7a+13–3a=3–10 | | 0,5x-4=3+4x | | 3x*(0,5-4)=9+12x | | 3x(0,5-4)=9+12x | | 12y+5=21y= | | 8x-4=21 | | 2x2+32=82 | | 20=7x–8 | | 20=7x–8 | | b=37+4b | | 3x+18=8+x | | (x+3)^2=3x+13+3x. | | √7x+−47=3 | | 4=5x+5*1-6 | | 0.5-0.125x=7 | | s+4+4-39=65 | | 12x-15=8x-85 | | 11x-15=8x-85 | | 3(4x+5)=x-40 | | -4(7+10)-2v+4v=0 | | 3x=x−12 | | 5t-8=10+t | | 2(2x-2)=24 | | t=4,5 | | 8x+-7=5+-2x | | 1-x=7x–15 | | 3.12=3.10-2w | | 24=3(5x-3)+3 | | 6=2(x-2)+8 |

Equations solver categories