3(3a+7)=2(4a+9)

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Solution for 3(3a+7)=2(4a+9) equation: 



3(3a+7)=2(4a+9)

We move all terms to the left:

3(3a+7)-(2(4a+9))=0

We multiply parentheses

9a-(2(4a+9))+21=0



We calculate terms in parentheses: -(2(4a+9)), so:

2(4a+9)

We multiply parentheses

8a+18

Back to the equation:

-(8a+18)



We get rid of parentheses

9a-8a-18+21=0

We add all the numbers together, and all the variables

a+3=0

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

a=-3

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