Question

If x = 2 and y = 1 is the solution of the linear equation 2x + 3y + k = 0, find the value of k.

Answer 1

Answer:

X= 2

y=1

2X+3Y+K = 0

2(2)+3(1)+k= 0

4+3+k=0

7+k= 0

k= (-7)

Answer 2

x=2

y=1

2x+3y+k=0

2(2)+3(1)+k=0

4+3+k=0

7+k=0

k=(-7)