mperez35641 mperez35641
  • 25-01-2017
  • Mathematics
contestada

how do i evaluate 3X + y for X = 2 and y = -1

Respuesta :

granthouston01 granthouston01
  • 25-01-2017
3(2) + -1
6-1=5

6-1 is from the 1 being a negative already.
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MusicFreak
MusicFreak MusicFreak
  • 25-01-2017
When you see a coefficient (the number next to the letter) next to a variable (the letter), you multiply. So 3*2=6 So you have: 6+y, or since y=-1, 6+(-)1= 5
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