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OpenStudy (anonymous):
1/5 (7y-3) + 1/20 (12y+21)
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OpenStudy (anonymous):
1/5(7y-3)+1/20(12y+21 7y/5-3/5+12y/20+21/20 28y/20+12y/20-12/20+21/20 40y/20-9/20 2y-9/20 2y=9/20 y=9/40
OpenStudy (anonymous):
wait so after i get 40y+9 /20 how do i reduce it
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