-9+9-12=4x-13-5x

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Solution for -9+9-12=4x-13-5x equation:



-9+9-12=4x-13-5x
We move all terms to the left:
-9+9-12-(4x-13-5x)=0
We add all the numbers together, and all the variables
-(-1x-13)-9+9-12=0
We add all the numbers together, and all the variables
-(-1x-13)-12=0
We get rid of parentheses
1x+13-12=0
We add all the numbers together, and all the variables
x+1=0
We move all terms containing x to the left, all other terms to the right
x=-1

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