-2f=-15-f

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Solution for -2f=-15-f equation:



-2f=-15-f
We move all terms to the left:
-2f-(-15-f)=0
We add all the numbers together, and all the variables
-2f-(-1f-15)=0
We get rid of parentheses
-2f+1f+15=0
We add all the numbers together, and all the variables
-1f+15=0
We move all terms containing f to the left, all other terms to the right
-f=-15
f=-15/-1
f=+15

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