amanda22499
amanda22499
30-01-2017
Mathematics
contestada
help with number 4 please. show work
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niamhcaley
niamhcaley
30-01-2017
4r + 9/4r + 14 = 5r - 3/4r + 1 - 3
4r + 9/4r + 3/4r - 5r = -14 +1 - 3
-r + 9/4r + 3/4r = -16
-r + 12/4r = -16
-r + 3r = -16
+2r = -16
r = -16/2
r = -8
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