7-3a=2(a+1)

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Solution for 7-3a=2(a+1) equation: 



7-3a=2(a+1)

We move all terms to the left:

7-3a-(2(a+1))=0



We calculate terms in parentheses: -(2(a+1)), so:

2(a+1)

We multiply parentheses

2a+2

Back to the equation:

-(2a+2)



We get rid of parentheses

-3a-2a-2+7=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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