7(3a-3)=84

Simple and best practice solution for 7(3a-3)=84 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)=84 equation: 



7(3a-3)=84

We move all terms to the left:

7(3a-3)-(84)=0

We multiply parentheses

21a-21-84=0

We add all the numbers together, and all the variables

21a-105=0

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

21a=105

a=105/21

a=5

See similar equations:

| 5(2p-4)=3p+1 | | 2p+3/9=-5/3 | | 3(2x-5)+6x=-51 | | y/11=0.3 | | 115x+52x+x=180 | | 5-3w=w+17 | | 7.5(4+x)=127.5 | | 6n+(19-8)/3=22 | | 7n+6+n=2(4n-3) | | 0.7b=1.6 | | 0.5^(t-8)=16.3 | | 1206y=24 | | 3x+30+6x-26+2x=180 | | 1=6p/7 | | p,8.2=9.3 | | 18m= | | 1x+20+5x-8=90 | | 9+8×m=81 | | 6x+7=4x-15 | | 5x+2x+3=180 | | 5x2-4x-12=0 | | 3x-x=+9 | | 3(p+5)=2(2p–1) | | 2x+3+5x=189 | | -5x+24=-16 | | 6x+18=2(5x+1) | | (w-1)(w-5)=21 | | 4=8/5+s | | 29-6=k | | (6x+12)=(8x-32) | | 12x1/2= | | x2=11.25 |

Equations solver categories