-4+7(a-3)=-13+4(3a+2)

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Solution for -4+7(a-3)=-13+4(3a+2) equation: 



-4+7(a-3)=-13+4(3a+2)

We move all terms to the left:

-4+7(a-3)-(-13+4(3a+2))=0

We multiply parentheses

7a-(-13+4(3a+2))-21-4=0



We calculate terms in parentheses: -(-13+4(3a+2)), so:

-13+4(3a+2)

determiningTheFunctionDomain
4(3a+2)-13

We multiply parentheses

12a+8-13

We add all the numbers together, and all the variables

12a-5

Back to the equation:

-(12a-5)



We add all the numbers together, and all the variables

7a-(12a-5)-25=0

We get rid of parentheses

7a-12a+5-25=0

We add all the numbers together, and all the variables

-5a-20=0

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

-5a=20

a=20/-5

a=-4

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