x-3=39-x

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Solution for x-3=39-x equation:



x-3=39-x
We move all terms to the left:
x-3-(39-x)=0
We add all the numbers together, and all the variables
x-(-1x+39)-3=0
We get rid of parentheses
x+1x-39-3=0
We add all the numbers together, and all the variables
2x-42=0
We move all terms containing x to the left, all other terms to the right
2x=42
x=42/2
x=21

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