7+x=42+2x

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Solution for 7+x=42+2x equation: 



7+x=42+2x

We move all terms to the left:

7+x-(42+2x)=0

We add all the numbers together, and all the variables

x-(2x+42)+7=0

We get rid of parentheses

x-2x-42+7=0

We add all the numbers together, and all the variables

-1x-35=0

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

-x=35

x=35/-1

x=-35

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