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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