4x-9=7x=+12

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Solution for 4x-9=7x=+12 equation: 



4x-9=7x=+12

We move all terms to the left:

4x-9-(7x)=0

We add all the numbers together, and all the variables

-3x-9=0

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

-3x=9

x=9/-3

x=-3

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