-12+7a=-7(8+a)

Simple and best practice solution for -12+7a=-7(8+a) 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 -12+7a=-7(8+a) equation: 



-12+7a=-7(8+a)

We move all terms to the left:

-12+7a-(-7(8+a))=0

We add all the numbers together, and all the variables

7a-(-7(a+8))-12=0



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

-7(a+8)

We multiply parentheses

-7a-56

Back to the equation:

-(-7a-56)



We get rid of parentheses

7a+7a+56-12=0

We add all the numbers together, and all the variables

14a+44=0

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

14a=-44

a=-44/14

a=-3+1/7

See similar equations:

| 4x²-26x+49=0 | | 2b-8=b+17 | | 20d-19d=5 | | 19=4(m-15)-(-7) | | 6x^2-12x-210=06x2−12x−210=0 | | 12b=42=7b+18 | | 2y+17=3y-5 | | 9=2j=1 | | -0.6=10.17+0.3f | | 1,248-5x=1,560-9x | | 3x-9=120 | | 8w+7=47 | | x+2=−14−x | | 2(5x-5)=6x+50) | | 13p+20=15p+14 | | 100=-10(c-1) | | 174=x-(-4x-4) | | 2/5b=12/15 | | 10^5x-1=39 | | 19g-17g=14 | | X-3÷x=9÷10 | | -4(2x+3)=2x-6-(8x+2) | | -20+17+18j=17+19j | | 4x+8x+72=180 | | 29=5(10+d)-1 | | 3s-20=2s-10 | | 1/20+5/4y=3/5y | | 9x-9=3x | | 0.4x=12.5 | | -4(2x+3)=2x-6-(8x=2) | | -5+11r=16-10r | | −6=3(2x+8) |

Equations solver categories