-7(3a-3)=21

Simple and best practice solution for -7(3a-3)=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 -7(3a-3)=21 equation: 



-7(3a-3)=21

We move all terms to the left:

-7(3a-3)-(21)=0

We multiply parentheses

-21a+21-21=0

We add all the numbers together, and all the variables

-21a=0

a=0/-21

a=0

See similar equations:

| a+4=-4a+6 | | 252x=125x+2 | | a+4=-4a | | -4+3+8x=27 | | 5+6x+-4x=7+4x+-4x | | 1+n=4n-9 | | 2a-3a=-1 | | 7E-05x=-0.0006 | | 2.3x=1.6x+43.68 | | n^2−64=0 | | C=4x-54 | | 8^6x=16^3x+4 | | 11·n=154 | | 23v=6 | | 5x+3x=8+4x+6x | | 1/2x−7=−10 | | 12n^2+5n-156=0 | | 5x-8+68=180 | | 9x+9=11x-5 | | 177=85;y=5 | | y^2+2y+45=80 | | 3(m–5)=21 | | 2x+2+72=180 | | u/2+8=35 | | -(v4)5=4v1-5v | | 3(3+6j)= | | 9x+6=12+6x-24 | | a=1.75+1.25((-12.5+a)/1.75) | | -20=-5(2x+4)-(8x-4) | | -3(-7w+2)-3w=3(w-2)-3 | | ((15/2x-7)=(3/5)) | | -3(6k-9=-27 |

Equations solver categories