kemmanibad kemmanibad
  • 03-05-2018
  • Chemistry
contestada

Twice bill's number added to 17 is 7. What is his number

Respuesta :

Plasma72
Plasma72 Plasma72
  • 03-05-2018
-5.

-5 * 2 = -10
-10 + 17 = 7
Answer Link
anonymous12345678901
anonymous12345678901 anonymous12345678901
  • 03-05-2018
Let b=bills number
2b+17=7
Subtract 17 from both sides
2b=-10
Divide both sides by 2
b=-5
Bill’s number is -5

I hope this helps )
Answer Link

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