5*(a+1)+2*(a+3)-2*(3a-1)=3*(a-7)

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Solution for 5*(a+1)+2*(a+3)-2*(3a-1)=3*(a-7) equation: 



5(a+1)+2(a+3)-2(3a-1)=3(a-7)

We move all terms to the left:

5(a+1)+2(a+3)-2(3a-1)-(3(a-7))=0

We multiply parentheses

5a+2a-6a-(3(a-7))+5+6+2=0



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

3(a-7)

We multiply parentheses

3a-21

Back to the equation:

-(3a-21)



We add all the numbers together, and all the variables

a-(3a-21)+13=0

We get rid of parentheses

a-3a+21+13=0

We add all the numbers together, and all the variables

-2a+34=0

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

-2a=-34

a=-34/-2

a=+17

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