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OpenStudy (anonymous):
2r+5=21
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OpenStudy (anonymous):
2r+5=21 -5 -5 2r=16 r=8
OpenStudy (anonymous):
why does no one help me
OpenStudy (anonymous):
2r + 5 = 21 -5 -5 2r = 16 --- --- 2 2 r = 8
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