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-f+2+4f=8-2f
We move all terms to the left:
-f+2+4f-(8-2f)=0
We add all the numbers together, and all the variables
-f+4f-(-2f+8)+2=0
We add all the numbers together, and all the variables
3f-(-2f+8)+2=0
We get rid of parentheses
3f+2f-8+2=0
We add all the numbers together, and all the variables
5f-6=0
We move all terms containing f to the left, all other terms to the right
5f=6
f=6/5
f=1+1/5
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