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sevoriamiller sevoriamiller
  • 23-08-2016
  • Mathematics
Answered

eight times the difference of a number and seventeen is thirty"?

Verified Answer :

Avinoam
Avinoam Avinoam
  • 23-08-2016

difference of a number and 17:   x - 17
eight times that = 8(x - 17)
8(x - 17) = 30

divide both sides by 8
x - 17 = 30/8

x = 30/8 + 17 which is 20.75

Answer Link
Ckaranja
Ckaranja Ckaranja
  • 23-08-2016

Let the number be y;
8(17-y)=30
817-8y=30
136-8y=30
-8y=30-136
-8y=-106
y=-106/=8
y=53/4

Answer Link

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