Question

3x - 5y = 4
5x + y = 16

determine the y-coordinate of the solution of the system

Answer 1

y= 1

3(3) - 5(1) = 4

9 - 5 = 4

5(3) + 1 = 16

15 + 1 = 16

Answer 2

please see photo belowabove for detailed explanation

Explanation: