-84=-8a+4(4a-7)

Simple and best practice solution for -84=-8a+4(4a-7) 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 -84=-8a+4(4a-7) equation: 



-84=-8a+4(4a-7)

We move all terms to the left:

-84-(-8a+4(4a-7))=0



We calculate terms in parentheses: -(-8a+4(4a-7)), so:

-8a+4(4a-7)

We multiply parentheses

-8a+16a-28

We add all the numbers together, and all the variables

8a-28

Back to the equation:

-(8a-28)



We get rid of parentheses

-8a+28-84=0

We add all the numbers together, and all the variables

-8a-56=0

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

-8a=56

a=56/-8

a=-7

See similar equations:

| 4(x4+3)=x | | 2.33x+81=5.4289+9x | | 14=2/9u | | 0.5(x-16)=37+5x | | 67.50x+4=71.90 | | 5p+71=5p+19 | | 8y+32=-8 | | 6^-2=6^2-3x | | 5p+19=5p+71 | | 105=-3(8n+5) | | 12=w+8 | | 5z+2z=41- | | 8s-31=s+11 | | 88=2(8a-4)-4a | | 3t-78=2t-43 | | 5n-4/n-1=4/2 | | 47=5+3x | | -10+4p+4+7=1-7p | | 1/14+p=12/14 | | 70=z/(-3) | | 1.5(j-3)-4=3.5 | | Y=-20x+300 | | -5x+3=46 | | s+47=2s+29 | | -4(5n-7)=108 | | 10x=2x+16. | | x/30=-23 | | w/(-3)=-11 | | 7s=5s-10 | | 9u-14=10u-19 | | Y/8=2y-2 | | 2(3m-1)+4m=18 |

Equations solver categories