-7=3-(5-a)

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Solution for -7=3-(5-a) equation: 



-7=3-(5-a)

We move all terms to the left:

-7-(3-(5-a))=0

We add all the numbers together, and all the variables

-(3-(-1a+5))-7=0



We calculate terms in parentheses: -(3-(-1a+5)), so:

3-(-1a+5)

determiningTheFunctionDomain
-(-1a+5)+3

We get rid of parentheses

1a-5+3

We add all the numbers together, and all the variables

a-2

Back to the equation:

-(a-2)



We get rid of parentheses

-a+2-7=0

We add all the numbers together, and all the variables

-1a-5=0

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

-a=5

a=5/-1

a=-5

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