Question

3. If = −1, y = 2 is a solution of the equation 2x + 5y = k, then find the value of k.​

Answer 1

Answer:

☯️Given

➡️ x = -1

➡️ y = 2

☯️Finding value of k

2x + 5y = k

(2× -1) + (5×2) = k

-2 + 10 = k

8 = k

⚛️So, the value of k is 8.

hope it will help you.