2x+3=7x-12=6x-9

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Solution for 2x+3=7x-12=6x-9 equation: 



2x+3=7x-12=6x-9

We move all terms to the left:

2x+3-(7x-12)=0

We get rid of parentheses

2x-7x+12+3=0

We add all the numbers together, and all the variables

-5x+15=0

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

-5x=-15

x=-15/-5

x=+3

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