100+20x=x+30

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Solution for 100+20x=x+30 equation: 



100+20x=x+30

We move all terms to the left:

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

We get rid of parentheses

20x-x-30+100=0

We add all the numbers together, and all the variables

19x+70=0

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

19x=-70

x=-70/19

x=-3+13/19

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