5a-3(a-1)=39

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Solution for 5a-3(a-1)=39 equation: 



5a-3(a-1)=39

We move all terms to the left:

5a-3(a-1)-(39)=0

We multiply parentheses

5a-3a+3-39=0

We add all the numbers together, and all the variables

2a-36=0

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

2a=36

a=36/2

a=18

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