12=14x-7x-9

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Solution for 12=14x-7x-9 equation:



12=14x-7x-9
We move all terms to the left:
12-(14x-7x-9)=0
We add all the numbers together, and all the variables
-(7x-9)+12=0
We get rid of parentheses
-7x+9+12=0
We add all the numbers together, and all the variables
-7x+21=0
We move all terms containing x to the left, all other terms to the right
-7x=-21
x=-21/-7
x=+3

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