48-a=4(a+7)

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Solution for 48-a=4(a+7) equation: 



48-a=4(a+7)

We move all terms to the left:

48-a-(4(a+7))=0

We add all the numbers together, and all the variables

-1a-(4(a+7))+48=0



We calculate terms in parentheses: -(4(a+7)), so:

4(a+7)

We multiply parentheses

4a+28

Back to the equation:

-(4a+28)



We get rid of parentheses

-1a-4a-28+48=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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