lopezma152
lopezma152
11-09-2015
Mathematics
contestada
6qr+7rs-2st=-9 solve for r
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Аноним
Аноним
12-09-2015
solve for r.
6qr+7rs−2st=−9
Add 2st to both sides.
6qr+7rs−2st+2st=−9+2st
6qr+7rs=2st−9
Factor out variable r.
r(6q+7s)=2st−9
Divide both sides by 6q+7s.
r(6q+7s) / 6q+7s = 2st−9 / 6q+7s
r = 2st−9 / 6q+7s
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jasneet
jasneet
12-09-2015
6qr + 7rs - 2st = -9
6qr + 7rs = -9 + 2st
r ( 6q + 7s ) = -9 + 2st
r = -9 + 2st / 6q + 7s Ans
Answer Link
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