Question

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

Answer 1

Answer:

$x = y + 7 \\ \\ x = \frac{3 + y}{2} \: or \: y = 2x - 3$

Step-by-step explanation:

$1. \: 2x = 3 + y \\ 2. \: x = \frac{3 + y}{2} \: or \: y = 2x - 3 \\ \\ 1. \: y + 7 = x \\ 2. \: x = y + 7$