5(7+2a)=78

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Solution for 5(7+2a)=78 equation: 



5(7+2a)=78

We move all terms to the left:

5(7+2a)-(78)=0

We add all the numbers together, and all the variables

5(2a+7)-78=0

We multiply parentheses

10a+35-78=0

We add all the numbers together, and all the variables

10a-43=0

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

10a=43

a=43/10

a=4+3/10

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