48=3(2a+6)-3(-6+a)

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Solution for 48=3(2a+6)-3(-6+a) equation: 



48=3(2a+6)-3(-6+a)

We move all terms to the left:

48-(3(2a+6)-3(-6+a))=0

We add all the numbers together, and all the variables

-(3(2a+6)-3(a-6))+48=0



We calculate terms in parentheses: -(3(2a+6)-3(a-6)), so:

3(2a+6)-3(a-6)

We multiply parentheses

6a-3a+18+18

We add all the numbers together, and all the variables

3a+36

Back to the equation:

-(3a+36)



We get rid of parentheses

-3a-36+48=0

We add all the numbers together, and all the variables

-3a+12=0

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

-3a=-12

a=-12/-3

a=+4

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