7(a+15)=2a+30

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Solution for 7(a+15)=2a+30 equation: 



7(a+15)=2a+30

We move all terms to the left:

7(a+15)-(2a+30)=0

We multiply parentheses

7a-(2a+30)+105=0

We get rid of parentheses

7a-2a-30+105=0

We add all the numbers together, and all the variables

5a+75=0

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

5a=-75

a=-75/5

a=-15

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