2x+100=4x+70

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Solution for 2x+100=4x+70 equation: 



2x+100=4x+70

We move all terms to the left:

2x+100-(4x+70)=0

We get rid of parentheses

2x-4x-70+100=0

We add all the numbers together, and all the variables

-2x+30=0

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

-2x=-30

x=-30/-2

x=+15

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