3a+3=2+7(a+9)

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Solution for 3a+3=2+7(a+9) equation: 



3a+3=2+7(a+9)

We move all terms to the left:

3a+3-(2+7(a+9))=0



We calculate terms in parentheses: -(2+7(a+9)), so:

2+7(a+9)

determiningTheFunctionDomain
7(a+9)+2

We multiply parentheses

7a+63+2

We add all the numbers together, and all the variables

7a+65

Back to the equation:

-(7a+65)



We get rid of parentheses

3a-7a-65+3=0

We add all the numbers together, and all the variables

-4a-62=0

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

-4a=62

a=62/-4

a=-15+1/2

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