2x+9+2x+9=5x-12

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Solution for 2x+9+2x+9=5x-12 equation: 



2x+9+2x+9=5x-12

We move all terms to the left:

2x+9+2x+9-(5x-12)=0

We add all the numbers together, and all the variables

4x-(5x-12)+18=0

We get rid of parentheses

4x-5x+12+18=0

We add all the numbers together, and all the variables

-1x+30=0

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

-x=-30

x=-30/-1

x=+30

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