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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

7(-1a+4)-(3(+a))=0

We multiply parentheses

-7a-(3(+a))+28=0



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

3(+a)

We multiply parentheses

3a

Back to the equation:

-(3a)



We add all the numbers together, and all the variables

-10a+28=0

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

-10a=-28

a=-28/-10

a=2+4/5

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