100x=120(x+10)

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Solution for 100x=120(x+10) equation: 



100x=120(x+10)

We move all terms to the left:

100x-(120(x+10))=0



We calculate terms in parentheses: -(120(x+10)), so:

120(x+10)

We multiply parentheses

120x+1200

Back to the equation:

-(120x+1200)



We get rid of parentheses

100x-120x-1200=0

We add all the numbers together, and all the variables

-20x-1200=0

We move all terms containing x to the left, all other terms to the right

-20x=1200

x=1200/-20

x=-60

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