30-10x=100x+120

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Solution for 30-10x=100x+120 equation: 



30-10x=100x+120

We move all terms to the left:

30-10x-(100x+120)=0

We get rid of parentheses

-10x-100x-120+30=0

We add all the numbers together, and all the variables

-110x-90=0

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

-110x=90

x=90/-110

x=-9/11

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