Mathematics
deisytiffany
2015-10-29 16:25:00
Translate the sentence into an equation. Twice the difference of a number and 2 equals 9 . Use the variable y for the unknown number.
ANSWERS
Damonbatten99
2015-10-29 17:25:59

Since difference is subtraction, that means that y-2=9 and by adding 2 to both sides we get y=11

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