Question

question 7 please solve for 50 points​

Answer 1

Answer:

(A) x + 2y = 0

Step-by-step explanation:

It may be helpful dear...

Answer 2

Step-by-step explanation:

a) x=2

y = -1

x+2y = 0

2+(-1) = 0

2 -1 = 0

1 = 0

b) 2x+y = 5

2(2)+(-1) = 5

4-1= 5