-42-7x=20-5x

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Solution for -42-7x=20-5x equation: 



-42-7x=20-5x

We move all terms to the left:

-42-7x-(20-5x)=0

We add all the numbers together, and all the variables

-7x-(-5x+20)-42=0

We get rid of parentheses

-7x+5x-20-42=0

We add all the numbers together, and all the variables

-2x-62=0

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

-2x=62

x=62/-2

x=-31

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