3=2-7x

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Solution for 3=2-7x equation: 



3=2-7x

We move all terms to the left:

3-(2-7x)=0

We add all the numbers together, and all the variables

-(-7x+2)+3=0

We get rid of parentheses

7x-2+3=0

We add all the numbers together, and all the variables

7x+1=0

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

7x=-1

x=-1/7

x=-1/7

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