Question

If x = -1, y = 2 and z = 4, evaluate xy – y + z.​

Answer 1

Answer:

Given,

$x = - 1$

$y = 2$

$z = 4$

Now,

$xy - y + z \\ - 1 \times 2 - 2 + 4 \\ - 4 + 4 \\ \: \: \: \: 0$

Answer 2

Answer:

answer is zero

Step-by-step explanation:

= xy - y+ z

= (-1×2)-2+4

= -2-2+4

= -4+4

= 0

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