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2.5(2+7.5f)=-18.5
We move all terms to the left:
2.5(2+7.5f)-(-18.5)=0
We add all the numbers together, and all the variables
2.5(7.5f+2)-(-18.5)=0
We add all the numbers together, and all the variables
2.5(7.5f+2)+18.5=0
We multiply parentheses
17.5f+5+18.5=0
We add all the numbers together, and all the variables
17.5f+23.5=0
We move all terms containing f to the left, all other terms to the right
17.5f=-23.5
f=-23.5/17.5
f=-1+6/17.5
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