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f(1.75)=1.75-2
We move all terms to the left:
f(1.75)-(1.75-2)=0
We add all the numbers together, and all the variables
f(1.75)-(-0.25)=0
We add all the numbers together, and all the variables
f(1.75)+0.25=0
We multiply parentheses
1.75f+0.25=0
We move all terms containing f to the left, all other terms to the right
1.75f=-0.25
f=-0.25/1.75
f=-0.25/1.75
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