5(a+7)=45

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Solution for 5(a+7)=45 equation: 



5(a+7)=45

We move all terms to the left:

5(a+7)-(45)=0

We multiply parentheses

5a+35-45=0

We add all the numbers together, and all the variables

5a-10=0

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

5a=10

a=10/5

a=2

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