-21=-7c

Simple and best practice solution for -21=-7c 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=-7c equation: 



-21=-7c

We move all terms to the left:

-21-(-7c)=0

We get rid of parentheses

7c-21=0

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

7c=21

c=21/7

c=3

See similar equations:

| x-9=14x= | | 5(6x−3)−2=2(15x−11)+5 | | 18=z+3 | | –8=–4(r−16) | | 18=10+2m | | 6o=-30 | | 8t^2+32t=0 | | 2x(6x-6)=4(3x-2) | | v+–6v+–11=4 | | 3(z+1)-5=5z+2 | | -6x+6=-3x+3 | | 120=-5x+15+3(x-5) | | 4q−11=9 | | 120=5x+15+3(x-3) | | 2/3r-2=3/5r+1/3 | | -42=-6(v-91) | | 80x=600 | | 15-2=2x+3 | | 23-8x=-1-2x | | X=-4/5y+3/4 | | 9+2n=45 | | (17x+14)^+(4x-2)^=180 | | s/6-10=-6 | | 8x+11=5x-4 | | 2(m-12)+6=22 | | 7s-22=76 | | 6f+3f+2=38 | | 91=7(h-83) | | (r-6)/3=4 | | 51.98+0.17x=57.98+0.15x | | 10(q+43)=-100 | | y/6+47=57 |

Equations solver categories