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0.3+(7.8-f)=1.6
We move all terms to the left:
0.3+(7.8-f)-(1.6)=0
We add all the numbers together, and all the variables
(-1f+7.8)+0.3-(1.6)=0
We add all the numbers together, and all the variables
(-1f+7.8)-1.3=0
We get rid of parentheses
-1f+7.8-1.3=0
We add all the numbers together, and all the variables
-1f+6.5=0
We move all terms containing f to the left, all other terms to the right
-f=-6.5
f=-6.5/-1
f=6+0.5/1
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