8=2x+42

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Solution for 8=2x+42 equation: 



8=2x+42

We move all terms to the left:

8-(2x+42)=0

We get rid of parentheses

-2x-42+8=0

We add all the numbers together, and all the variables

-2x-34=0

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

-2x=34

x=34/-2

x=-17

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