-9=x+(-21)

Simple and best practice solution for -9=x+(-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 -9=x+(-21) equation: 



-9=x+(-21)

We move all terms to the left:

-9-(x+(-21))=0



We calculate terms in parentheses: -(x+(-21)), so:

x+(-21)

We add all the numbers together, and all the variables

x-21

Back to the equation:

-(x-21)



We get rid of parentheses

-x+21-9=0

We add all the numbers together, and all the variables

-1x+12=0

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

-x=-12

x=-12/-1

x=+12

See similar equations:

| 5(x-2)+3x=2(x+5) | | 7+75x=9 | | 7-75x=9 | | X+4=3(x-6) | | 16.3v+12.23=12.23+5v+11.3v | | 7-75x=7 | | 4+2p=10(53p−2) | | 9-75x=7 | | (c+3)-2-(1-3c)=4 | | 6+x/10=8 | | 9+75x=7 | | 2/3(9x-6)-4x=10 | | 20-4x=80-44x=180 | | 9x-75=7 | | -15.1p-10.79=-10.79-15.1p | | 12s=8+295s+3) | | 75+7x=9 | | 2x+3=4(3-5) | | 2=n-18 | | 75-7x=9 | | -3+x=-39 | | -6h+-7+8=-19 | | 4y+15+7y-11=180 | | 2(x-3)=-46 | | 4v-2=4 | | 9x+7=75 | | 27=-5u+3(u+7) | | x+1/2=3x-1/4 | | 11b+6=11b | | 62-2x=75-3x=180 | | 3/11y-10=5 | | Y+1=-(2/5)(x-3) |

Equations solver categories