Question

if (5,k) is a solution of the equation 2x+y=7 find k.​

Answer 1

Step-by-step explanation:

(5,k) is solution of 2x +y -7 = 0

Therefore put x = 5 and y = k , in the given equation.

So,

2×5 + k - 7 = 0

10 + k -7 = 0

k = -3