100=4x-20+2x+30

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Solution for 100=4x-20+2x+30 equation: 



100=4x-20+2x+30

We move all terms to the left:

100-(4x-20+2x+30)=0

We add all the numbers together, and all the variables

-(6x+10)+100=0

We get rid of parentheses

-6x-10+100=0

We add all the numbers together, and all the variables

-6x+90=0

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

-6x=-90

x=-90/-6

x=+15

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