Find the solutions of the system y = –2x – 1 and y = 3–x–1. What are the x-coordinates of the solutions? Choose all that apply A. 1 B. 0 C. -1 D.-2

asked Dec 28, 2018 142k views

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Find the solutions of the system y = –2x – 1 and y = 3–x–1. What are the x-coordinates of the solutions? Choose all that apply

A. 1
B. 0
C. -1
D.-2

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y = -2x - 1
y = 3 - x - 1......y = 2 - x

2 - x = -2x - 1
-x + 2x = -1 + 2
x = 1 <==

Tobias Kuess answered Jan 1, 2019

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