3=-7+0.2x

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Solution for 3=-7+0.2x equation: 



3=-7+0.2x

We move all terms to the left:

3-(-7+0.2x)=0

We add all the numbers together, and all the variables

-(0.2x-7)+3=0

We get rid of parentheses

-0.2x+7+3=0

We add all the numbers together, and all the variables

-0.2x+10=0

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

-0.2x=-10

x=-10/-0.2

x=+50

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