3(-6+5a)=87

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Solution for 3(-6+5a)=87 equation: 



3(-6+5a)=87

We move all terms to the left:

3(-6+5a)-(87)=0

We add all the numbers together, and all the variables

3(5a-6)-87=0

We multiply parentheses

15a-18-87=0

We add all the numbers together, and all the variables

15a-105=0

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

15a=105

a=105/15

a=7

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