8+3(7+5a)=89

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Solution for 8+3(7+5a)=89 equation: 



8+3(7+5a)=89

We move all terms to the left:

8+3(7+5a)-(89)=0

We add all the numbers together, and all the variables

3(5a+7)+8-89=0

We add all the numbers together, and all the variables

3(5a+7)-81=0

We multiply parentheses

15a+21-81=0

We add all the numbers together, and all the variables

15a-60=0

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

15a=60

a=60/15

a=4

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