57=-27-x-3x

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Solution for 57=-27-x-3x equation:



57=-27-x-3x
We move all terms to the left:
57-(-27-x-3x)=0
We add all the numbers together, and all the variables
-(-4x-27)+57=0
We get rid of parentheses
4x+27+57=0
We add all the numbers together, and all the variables
4x+84=0
We move all terms containing x to the left, all other terms to the right
4x=-84
x=-84/4
x=-21

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