18=3-7x

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Solution for 18=3-7x equation: 



18=3-7x

We move all terms to the left:

18-(3-7x)=0

We add all the numbers together, and all the variables

-(-7x+3)+18=0

We get rid of parentheses

7x-3+18=0

We add all the numbers together, and all the variables

7x+15=0

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

7x=-15

x=-15/7

x=-2+1/7

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