-2=f+-9

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Solution for -2=f+-9 equation:



-2=f+-9
We move all terms to the left:
-2-(f+-9)=0
We add all the numbers together, and all the variables
-(f-9)-2=0
We get rid of parentheses
-f+9-2=0
We add all the numbers together, and all the variables
-1f+7=0
We move all terms containing f to the left, all other terms to the right
-f=-7
f=-7/-1
f=+7

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