SOLUTION: if x=-1 and y=2 what is the value of the expression 2x-3xy?

SOLUTION: if x=-1 and y=2 what is the value of the expression 2x-3xy?

Algebra.Com

Question 144443: if x=-1 and y=2 what is the value of the expression 2x-3xy?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
2x-3xy
Substitute -1 for x and 2 for y.
(2 times -1) - (3 times -1 times 2)
= -2 - (-3 times 2)
= -2 - (-6)
= -2 + 6
= 4

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