Answer:
F=8
Explanation:
subtracting a negative is just addition.
so f+4=12
next get f by itself by subtracting 4 from each side
f=12-4
f=8
f = 8
Step 1:
f - ( - 4 ) = 12 Equation
Step 2:
f + 4 = 12 Open Parentheses
Step 3:
f = 12 - 4 Subtract 4 on both sides
Hope This Helps :)
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