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LaquitaOseguera777 LaquitaOseguera777
  • 30-07-2015
  • Mathematics
Answered

If five times a number plus two is 17, what is the number?

A7
B5
C3
D2

Verified Answer :

tsiporahgma tsiporahgma
  • 30-07-2015

c=3
because 5 times 3 + 2+17

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AL2006
AL2006 AL2006
  • 30-07-2015

We can't tell where your parentheses are, so we don't know if you said 5 (x+2) = 17 or (5x+2)=17.
... If it's the first one, then x+2=17/5 and x=7/5 or 1.4. / / / If it's the second one, then 5x=15 and x=3.
I guess it must be the second one, because 1.4 is not one of the choices. Ah the sleaze of math by multiple choice.

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