3a-13=5+7(a+2)

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Solution for 3a-13=5+7(a+2) equation: 



3a-13=5+7(a+2)

We move all terms to the left:

3a-13-(5+7(a+2))=0



We calculate terms in parentheses: -(5+7(a+2)), so:

5+7(a+2)

determiningTheFunctionDomain
7(a+2)+5

We multiply parentheses

7a+14+5

We add all the numbers together, and all the variables

7a+19

Back to the equation:

-(7a+19)



We get rid of parentheses

3a-7a-19-13=0

We add all the numbers together, and all the variables

-4a-32=0

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

-4a=32

a=32/-4

a=-8

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