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If 8=−3r+7r, then r= [blank] −−−−−−.
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If 8=−3r+7r, then r= [blank] −−−−−−.

User South
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1 Answer

1 vote

Answer:


r = 2

Explanation:


8 = - 3r + 7r \\ 8 = 4r \\ 4r = 8 \\ \\ r = (8)/(4) \\ \\ r = 2

User Pandafinity
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