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0.2(4-1.2f)=0.728
We move all terms to the left:
0.2(4-1.2f)-(0.728)=0
We add all the numbers together, and all the variables
0.2(-1.2f+4)-(0.728)=0
We add all the numbers together, and all the variables
0.2(-1.2f+4)-0.728=0
We multiply parentheses
-0.2f+0.8-0.728=0
We add all the numbers together, and all the variables
-0.2f+0.072=0
We move all terms containing f to the left, all other terms to the right
-0.2f=-0.072
f=-0.072/-0.2
f=0.072/0.2
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