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(-4)=-0.8F+2
We move all terms to the left:
(-4)-(-0.8F+2)=0
We add all the numbers together, and all the variables
-(-0.8F+2)-4=0
We get rid of parentheses
0.8F-2-4=0
We add all the numbers together, and all the variables
0.8F-6=0
We move all terms containing F to the left, all other terms to the right
0.8F=6
F=6/0.8
F=7+0.4/0.8
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