13. Describe the system by substitution: y=x-7 2x - y = 3

asked Aug 12, 2023 201k views

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13. Describe the system by substitution:
y=x-7
2x - y = 3

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Answer:

$x = y + 7 \\ \\ x = (3 + y)/(2) \: or \: y = 2x - 3$

Explanation:

$1. \: 2x = 3 + y \\ 2. \: x = (3 + y)/(2) \: or \: y = 2x - 3 \\ \\ 1. \: y + 7 = x \\ 2. \: x = y + 7$

JonSG answered Aug 16, 2023

by JonSG

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