-8-7(1+4a)=28

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Solution for -8-7(1+4a)=28 equation: 



-8-7(1+4a)=28

We move all terms to the left:

-8-7(1+4a)-(28)=0

We add all the numbers together, and all the variables

-7(4a+1)-8-28=0

We add all the numbers together, and all the variables

-7(4a+1)-36=0

We multiply parentheses

-28a-7-36=0

We add all the numbers together, and all the variables

-28a-43=0

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

-28a=43

a=43/-28

a=-1+15/28

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