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4f-2f+5=2(f-2)+9
We move all terms to the left:
4f-2f+5-(2(f-2)+9)=0
We add all the numbers together, and all the variables
2f-(2(f-2)+9)+5=0
We calculate terms in parentheses: -(2(f-2)+9), so:We get rid of parentheses
2(f-2)+9
We multiply parentheses
2f-4+9
We add all the numbers together, and all the variables
2f+5
Back to the equation:
-(2f+5)
2f-2f-5+5=0
We add all the numbers together, and all the variables
=0
f=0/1
f=0
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