Tolong dijawab ya!!! 5x - y = 7 2x + 9y = 22

5x - y = 7
y = 5x - 7

2x + 9y = 22
2x + 9(5x - 7) = 22
2x + 45x - 63 = 22
47x = 85
x = 85/47

y = 5x - 7
y = 5 (85/47) - 7
y = 425/47 - 7
y = 425/47 - 329/47
y = 96/47