-5x+7=3(7-x)

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Solution for -5x+7=3(7-x) equation:



-5x+7=3(7-x)
We move all terms to the left:
-5x+7-(3(7-x))=0
We add all the numbers together, and all the variables
-5x-(3(-1x+7))+7=0
We calculate terms in parentheses: -(3(-1x+7)), so:
3(-1x+7)
We multiply parentheses
-3x+21
Back to the equation:
-(-3x+21)
We get rid of parentheses
-5x+3x-21+7=0
We add all the numbers together, and all the variables
-2x-14=0
We move all terms containing x to the left, all other terms to the right
-2x=14
x=14/-2
x=-7

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