x+7+2=3x+40

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Solution for x+7+2=3x+40 equation: 



x+7+2=3x+40

We move all terms to the left:

x+7+2-(3x+40)=0

We add all the numbers together, and all the variables

x-(3x+40)+9=0

We get rid of parentheses

x-3x-40+9=0

We add all the numbers together, and all the variables

-2x-31=0

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

-2x=31

x=31/-2

x=-15+1/2

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