3(5+3a)=87

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Solution for 3(5+3a)=87 equation: 



3(5+3a)=87

We move all terms to the left:

3(5+3a)-(87)=0

We add all the numbers together, and all the variables

3(3a+5)-87=0

We multiply parentheses

9a+15-87=0

We add all the numbers together, and all the variables

9a-72=0

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

9a=72

a=72/9

a=8

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