-5=-(4-a)

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Solution for -5=-(4-a) equation: 



-5=-(4-a)

We move all terms to the left:

-5-(-(4-a))=0

We add all the numbers together, and all the variables

-(-(-1a+4))-5=0



We calculate terms in parentheses: -(-(-1a+4)), so:

-(-1a+4)

We get rid of parentheses

1a-4

We add all the numbers together, and all the variables

a-4

Back to the equation:

-(a-4)



We get rid of parentheses

-a+4-5=0

We add all the numbers together, and all the variables

-1a-1=0

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

-a=1

a=1/-1

a=-1

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