7=(7-x)

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Solution for 7=(7-x) equation:



7=(7-x)
We move all terms to the left:
7-((7-x))=0
We add all the numbers together, and all the variables
-((-1x+7))+7=0
We calculate terms in parentheses: -((-1x+7)), so:
(-1x+7)
We get rid of parentheses
-1x+7
Back to the equation:
-(-1x+7)
We get rid of parentheses
1x-7+7=0
We add all the numbers together, and all the variables
x=0

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