3(5a-3)=-84

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Solution for 3(5a-3)=-84 equation: 



3(5a-3)=-84

We move all terms to the left:

3(5a-3)-(-84)=0

We add all the numbers together, and all the variables

3(5a-3)+84=0

We multiply parentheses

15a-9+84=0

We add all the numbers together, and all the variables

15a+75=0

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

15a=-75

a=-75/15

a=-5

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