-3+5(5a-20)=84

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Solution for -3+5(5a-20)=84 equation: 



-3+5(5a-20)=84

We move all terms to the left:

-3+5(5a-20)-(84)=0

We add all the numbers together, and all the variables

5(5a-20)-87=0

We multiply parentheses

25a-100-87=0

We add all the numbers together, and all the variables

25a-187=0

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

25a=187

a=187/25

a=7+12/25

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