12x-4=9x-7

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



12x-4=9x-7

We move all terms to the left:

12x-4-(9x-7)=0

We get rid of parentheses

12x-9x+7-4=0

We add all the numbers together, and all the variables

3x+3=0

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

3x=-3

x=-3/3

x=-1

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