25=1a-(-3)

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Solution for 25=1a-(-3) equation: 



25=1a-(-3)

We move all terms to the left:

25-(1a-(-3))=0



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

1a-(-3)

We add all the numbers together, and all the variables

a+3

Back to the equation:

-(a+3)



We get rid of parentheses

-a-3+25=0

We add all the numbers together, and all the variables

-1a+22=0

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

-a=-22

a=-22/-1

a=+22

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