2x+3=9x-18

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



2x+3=9x-18

We move all terms to the left:

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

We get rid of parentheses

2x-9x+18+3=0

We add all the numbers together, and all the variables

-7x+21=0

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

-7x=-21

x=-21/-7

x=+3

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