(100-15x)-5x=(40+40x)-(100-10x)

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Solution for (100-15x)-5x=(40+40x)-(100-10x) equation:



(100-15x)-5x=(40+40x)-(100-10x)
We move all terms to the left:
(100-15x)-5x-((40+40x)-(100-10x))=0
We add all the numbers together, and all the variables
(-15x+100)-5x-((40x+40)-(-10x+100))=0
We add all the numbers together, and all the variables
-5x+(-15x+100)-((40x+40)-(-10x+100))=0
We get rid of parentheses
-5x-15x-((40x+40)-(-10x+100))+100=0
We calculate terms in parentheses: -((40x+40)-(-10x+100)), so:
(40x+40)-(-10x+100)
We get rid of parentheses
40x+10x+40-100
We add all the numbers together, and all the variables
50x-60
Back to the equation:
-(50x-60)
We add all the numbers together, and all the variables
-20x-(50x-60)+100=0
We get rid of parentheses
-20x-50x+60+100=0
We add all the numbers together, and all the variables
-70x+160=0
We move all terms containing x to the left, all other terms to the right
-70x=-160
x=-160/-70
x=2+2/7

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