Question

if ( 1 , -1 ) is a solution of the equation 2x + y = k then fine the value ok f

Answer 1

Answer:

soory i don't know anwer for this question soory

Answer 2

Step-by-step explanation:

Given equation:

2x+3y=k

Now putting x=2 and y =1 in equation

⇒2(2)+3(1)=k

⇒4+3=k

⇒k=7