Question

find k if (2,k) lies on 2x+y=7

Answer 1

Answer:

answer is k = 3

Step-by-step explanation:

2x + y = 7

points are (2 , k)

put x = 2 and y = k in equation

2 × 2 + k = 7

4 + k = 7

k = 7 - 4

k = 3