a+4(-7+8a)=7(3a-1)+5a

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Solution for a+4(-7+8a)=7(3a-1)+5a equation: 



a+4(-7+8a)=7(3a-1)+5a

We move all terms to the left:

a+4(-7+8a)-(7(3a-1)+5a)=0

We add all the numbers together, and all the variables

a+4(8a-7)-(7(3a-1)+5a)=0

We multiply parentheses

a+32a-(7(3a-1)+5a)-28=0



We calculate terms in parentheses: -(7(3a-1)+5a), so:

7(3a-1)+5a

We add all the numbers together, and all the variables

5a+7(3a-1)

We multiply parentheses

5a+21a-7

We add all the numbers together, and all the variables

26a-7

Back to the equation:

-(26a-7)



We add all the numbers together, and all the variables

33a-(26a-7)-28=0

We get rid of parentheses

33a-26a+7-28=0

We add all the numbers together, and all the variables

7a-21=0

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

7a=21

a=21/7

a=3

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