yolo12389
yolo12389
08-07-2017
Mathematics
contestada
-25 = -4r + 5 please help
Respuesta :
Equanimity
Equanimity
08-07-2017
-4r + 5 = -25
Subtract 5 from both sides.
-4r = -30
Divide both sides by -4.
r = 7.5
I hope this helps!
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Nick911
Nick911
08-07-2017
-25=-4r+5
Subtract 5 to each side
-25-5=-4r+5-5
-30=-4r
Divided -4 to each side
-30/-4=-4r/-4
7.5=r
Check:
-25=-4r+5
Substitute r with 7.5
-25=-4(7.5)+5
-25=-30+5
-25=-25. As a result, r=7.5. Hope it help!
Answer Link
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