5x-9=7x=12

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Solution for 5x-9=7x=12 equation: 



5x-9=7x=12

We move all terms to the left:

5x-9-(7x)=0

We add all the numbers together, and all the variables

-2x-9=0

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

-2x=9

x=9/-2

x=-4+1/2

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