2x+9=7x+31

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Solution for 2x+9=7x+31 equation: 



2x+9=7x+31

We move all terms to the left:

2x+9-(7x+31)=0

We get rid of parentheses

2x-7x-31+9=0

We add all the numbers together, and all the variables

-5x-22=0

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

-5x=22

x=22/-5

x=-4+2/5

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