5(a+7)=40

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Solution for 5(a+7)=40 equation: 



5(a+7)=40

We move all terms to the left:

5(a+7)-(40)=0

We multiply parentheses

5a+35-40=0

We add all the numbers together, and all the variables

5a-5=0

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

5a=5

a=5/5

a=1

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