marcy4644
marcy4644
26.03.2020 • 
Mathematics

If 3(r+300)=63(r+300)=63(r+300)=63, left parenthesis, r, plus, 300, right parenthesis, equals, 6, then what is the value of r+300−2r+300-2r+300−2r, plus, 300, minus, 2?

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