100+0.2x=70+0.5x

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Solution for 100+0.2x=70+0.5x equation: 



100+0.2x=70+0.5x

We move all terms to the left:

100+0.2x-(70+0.5x)=0

We add all the numbers together, and all the variables

0.2x-(0.5x+70)+100=0

We get rid of parentheses

0.2x-0.5x-70+100=0

We add all the numbers together, and all the variables

-0.3x+30=0

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

-0.3x=-30

x=-30/-0.3

x=+100

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