Answer:
If 2k - 4 = 12, 2k + 1= 11
Explanation:
2k - 4 = 12
2k=12+4
2k=16
k=8
plug k=8 into 2k + 1
2(8)+1= 11
-->2k+11 = 11
you
x = 6 (A)
We plug y = x^2 - 5x + 3 into 5x + y = 39 and we have
5x + x^2 - 5x + 3 = 39
-> x^2 = 36
-> x = 6
Answer:18
