x+12=4x+21

Simple and best practice solution for x+12=4x+21 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 x+12=4x+21 equation: 



x+12=4x+21

We move all terms to the left:

x+12-(4x+21)=0

We get rid of parentheses

x-4x-21+12=0

We add all the numbers together, and all the variables

-3x-9=0

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

-3x=9

x=9/-3

x=-3

See similar equations:

| 3(7c-1)=-3 | | 8g-7g=17 | | 1+43x=48x-4 | | X^2+17x-24=0 | | 9h-27=63h= | | 43+4x-92=6x+119 | | 6x-7(-5)=17 | | P=25,4/5p | | 4b−-3=15 | | 5k-4k=14 | | 3^x+2=17 | | d-4+ 3=7 | | 3x+x=59 | | 10v−6v=12 | | 2q+6=6q-9 | | |x+2|+|x−3|=7. | | 4m-2(6m+5)=66 | | 4x+14+5x+5+100=360 | | -4a^2+12a+1=0 | | 3=2(x+8)-3x | | 10x-5+3x=8x | | 128=2x2 | | 2x-12=33-x | | 6-7k=132 | | 13+x=5x-11 | | 6(3b-5)=30 | | 4=5x+4+3x | | X-2+x+x-2+x=72 | | 6x+17+2x+3=360 | | 4x^2+8x−72=0 | | -x-1=-3x-1 | | x+135=260 |

Equations solver categories