Question

Find the value of k , if x = 2  and y = −1 is a solution of the equation  
   x + 3y – k = 0.​

Answer 1

Answer:

-1

Step-by-step explanation:

x=2

2+3y-k=0

y= -1

2+3 x-1-k=0

2+-3-k=0

-1-k=0