12x-4=7x-9

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



12x-4=7x-9

We move all terms to the left:

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

We get rid of parentheses

12x-7x+9-4=0

We add all the numbers together, and all the variables

5x+5=0

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

5x=-5

x=-5/5

x=-1

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