40a=5(a+7)

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



40a=5(a+7)

We move all terms to the left:

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



We calculate terms in parentheses: -(5(a+7)), so:

5(a+7)

We multiply parentheses

5a+35

Back to the equation:

-(5a+35)



We get rid of parentheses

40a-5a-35=0

We add all the numbers together, and all the variables

35a-35=0

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

35a=35

a=35/35

a=1

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