mperez35641 mperez35641

24-01-2017
Mathematics

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

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granthouston01 granthouston01

24-01-2017

3(2) + -1
6-1=5

6-1 is from the 1 being a negative already.

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MusicFreak MusicFreak

24-01-2017

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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