what is 9r+4=7r+4

using the distibutive property
in order of operations by

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1 Answer

9r+4=7r+4, so, subtracting 4 from each side:

9r=7r,

9r-7r=0,

r(9-7)=0 (distributing r),

2r=0,

r=0.
by Top Rated User (1.1m points)

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