A system of equations is shown. x−y=−8 x+y=4 Which is a method that can be used to eliminate a variable? Select all

Question

A system of equations is shown.

x−y=−8
x+y=4
Which is a method that can be used to eliminate a variable? Select all that apply.

a)Add the terms in the bottom equation to the terms in the top equation to eliminate y

b)Multiply the terms in the bottom equation by 2 and add the resulting terms in the top equation to the terms in the top equation to eliminate x

c)Subtract the terms in the top equation from the terms in the bottom equation to eliminate x

d)Multiply the terms in the bottom equation by 4 and subtract the resulting terms in the bottom equation from the terms in the top equation to eliminate y

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Phúc Điền 1 year 2021-09-05T15:24:55+00:00 1 Answers 8 views 0

Answers ( )

    0
    2021-09-05T15:26:41+00:00

    Answer:

    a)Add the terms in the bottom equation to the terms in the top equation to eliminate y

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