Asked by Anonymous

F+7=10
Answered by Steve
so, what number do you have to add to 7 to get 10?
Answered by Ms. Sue
Subtract 7 from both sides.

F+7=10

F = 3
Answered by Pride
10 - 7 = 3. All you have to do is take the number that is IN the equation (do the opposite operation than what it says) and (for this one) subtract it by the number that the equation is equal to.
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