2 years ago

Evaluate the expression 2x-xy if x= -1/2 and y=8

Mathematics

2 answers:

Gnom [1K]2 years ago

6 0

Answer:

Step-by-step explanation:

2x-xy

Let x = -1/2 and y = 8

2(-1/2) - (-1/2)(8)

Multiply

-1 - (-4)

Subtracting a negative is like adding

-1+4

Add

vladimir1956 [14]2 years ago

5 0

Answer:

Step-by-step explanation:

2x-xy

2(x)-(x)(y)

2(-1/2)-(-1/2)(8)

-1 - (-4)

-1 + 4

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