2a=5-(a-7)=48

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Solution for 2a=5-(a-7)=48 equation: 



2a=5-(a-7)=48

We move all terms to the left:

2a-(5-(a-7))=0



We calculate terms in parentheses: -(5-(a-7)), so:

5-(a-7)

determiningTheFunctionDomain
-(a-7)+5

We get rid of parentheses

-a+7+5

We add all the numbers together, and all the variables

-1a+12

Back to the equation:

-(-1a+12)



We get rid of parentheses

2a+1a-12=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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