3x+9=2x+18

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Solution for 3x+9=2x+18 equation: 



3x+9=2x+18

We move all terms to the left:

3x+9-(2x+18)=0

We get rid of parentheses

3x-2x-18+9=0

We add all the numbers together, and all the variables

x-9=0

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

x=9

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