7a+5(9+3)=8a+4(a+2)

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Solution for 7a+5(9+3)=8a+4(a+2) equation: 



7a+5(9+3)=8a+4(a+2)

We move all terms to the left:

7a+5(9+3)-(8a+4(a+2))=0

We add all the numbers together, and all the variables

7a-(8a+4(a+2))+512=0



We calculate terms in parentheses: -(8a+4(a+2)), so:

8a+4(a+2)

We multiply parentheses

8a+4a+8

We add all the numbers together, and all the variables

12a+8

Back to the equation:

-(12a+8)



We get rid of parentheses

7a-12a-8+512=0

We add all the numbers together, and all the variables

-5a+504=0

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

-5a=-504

a=-504/-5

a=100+4/5

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