To simplify the expression 9 - 8y - 10 + y, combine like terms.
Combine the y terms: -8y + y = -7y
Combine the constant terms: 9 - 10 = -1
The simplified expression is -7y - 1.
Therefore, the answer is D. -7y - 1.
Which of the following expressions is equivalent to 9 - 8y - 10 + y?
A. 7y -1
B. -7+19
C. -7y + 1
D. -7y -1
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