21-x=2x-15

Simple and best practice solution for 21-x=2x-15 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-x=2x-15 equation: 



21-x=2x-15

We move all terms to the left:

21-x-(2x-15)=0

We add all the numbers together, and all the variables

-1x-(2x-15)+21=0

We get rid of parentheses

-1x-2x+15+21=0

We add all the numbers together, and all the variables

-3x+36=0

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

-3x=-36

x=-36/-3

x=+12

See similar equations:

| -58=5-7h | | 4-4(v-4)=24 | | 3x/4+x/6=11/2 | | -37=4(a-3)+7 | | -0.75p-2=+0.25p | | 2^r=59 | | -4x=-3x+7 | | 7a-3+2a=-7a+2a+11 | | 21=p-10 | | -10-g-10=4g+10 | | 500=40+2^x-5 | | z-5=17 | | 6z-8z-18=-40 | | 500=40+2x-5 | | 5x-4+2x+2+3x=180 | | 5x+20=5x+2x | | -4r+8=-8r | | 2=2(m+5)+4 | | -24+6z=3z | | x(.12)=50000 | | 9/10x3/1=5/9 | | 8x+16=8x-50 | | x+-12=32 | | x+-12=33 | | -7(1+v)+6v=-11 | | 7(4r+4)=14r-28 | | 4n+5=138 | | 11+c=16 | | 4z-6=6(z+2)+5 | | n+4+8n=14+7n | | 36=9(r+10) | | 26÷m=13 |

Equations solver categories