3(3a)=4(a+7)

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Solution for 3(3a)=4(a+7) equation: 



3(3a)=4(a+7)

We move all terms to the left:

3(3a)-(4(a+7))=0



We calculate terms in parentheses: -(4(a+7)), so:

4(a+7)

We multiply parentheses

4a+28

Back to the equation:

-(4a+28)



We get rid of parentheses

33a-4a-28=0

We add all the numbers together, and all the variables

29a-28=0

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

29a=28

a=28/29

a=28/29

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