100=(7-3x)-5x

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Solution for 100=(7-3x)-5x equation:



100=(7-3x)-5x
We move all terms to the left:
100-((7-3x)-5x)=0
We add all the numbers together, and all the variables
-((-3x+7)-5x)+100=0
We calculate terms in parentheses: -((-3x+7)-5x), so:
(-3x+7)-5x
We add all the numbers together, and all the variables
-5x+(-3x+7)
We get rid of parentheses
-5x-3x+7
We add all the numbers together, and all the variables
-8x+7
Back to the equation:
-(-8x+7)
We get rid of parentheses
8x-7+100=0
We add all the numbers together, and all the variables
8x+93=0
We move all terms containing x to the left, all other terms to the right
8x=-93
x=-93/8
x=-11+5/8

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