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

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



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

We move all terms to the left:

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



We calculate terms in parentheses: -(3(a+9)+4a), so:

3(a+9)+4a

We add all the numbers together, and all the variables

4a+3(a+9)

We multiply parentheses

4a+3a+27

We add all the numbers together, and all the variables

7a+27

Back to the equation:

-(7a+27)



We get rid of parentheses

7a-7a-27-3=0

We add all the numbers together, and all the variables

-30!=0

There is no solution for this equation

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