3x-9=4x-9

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Solution for 3x-9=4x-9 equation:



3x-9=4x-9
We move all terms to the left:
3x-9-(4x-9)=0
We get rid of parentheses
3x-4x+9-9=0
We add all the numbers together, and all the variables
-x=0
x=0/-1
x=0

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