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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