-5(7-3a)=15

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Solution for -5(7-3a)=15 equation: 



-5(7-3a)=15

We move all terms to the left:

-5(7-3a)-(15)=0

We add all the numbers together, and all the variables

-5(-3a+7)-15=0

We multiply parentheses

15a-35-15=0

We add all the numbers together, and all the variables

15a-50=0

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

15a=50

a=50/15

a=3+1/3

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