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Combine like terms. 8 + 16r – 9r A. 8 + 7r B. 15r C. 15 D. 8 – 7r
asked
Nov 12, 2016
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Combine like terms.
8 + 16r – 9r
A.
8 + 7r
B.
15r
C.
15
D.
8 – 7r
Mathematics
high-school
Jthetzel
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First, you subtract 16r by 9r, which gives you 7r, so that leaves you with 8 + 7r. You cannot add a normal number and a number with a variable, so that's all you can do, so your answer is A.
Yushan
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Nov 19, 2016
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Yushan
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