5a-7=3(a+1)

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Solution for 5a-7=3(a+1) equation: 



5a-7=3(a+1)

We move all terms to the left:

5a-7-(3(a+1))=0



We calculate terms in parentheses: -(3(a+1)), so:

3(a+1)

We multiply parentheses

3a+3

Back to the equation:

-(3a+3)



We get rid of parentheses

5a-3a-3-7=0

We add all the numbers together, and all the variables

2a-10=0

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

2a=10

a=10/2

a=5

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