7x+12=7x+9

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



7x+12=7x+9
We move all terms to the left:
7x+12-(7x+9)=0
We get rid of parentheses
7x-7x-9+12=0
We add all the numbers together, and all the variables
3!=0
There is no solution for this equation

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