15-(x-3)=57

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Solution for 15-(x-3)=57 equation: 



15-(x-3)=57

We move all terms to the left:

15-(x-3)-(57)=0

We add all the numbers together, and all the variables

-(x-3)-42=0

We get rid of parentheses

-x+3-42=0

We add all the numbers together, and all the variables

-1x-39=0

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

-x=39

x=39/-1

x=-39

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