Question

2x-4y=8 x+2y=4 How many solutions (x, y) are there to the system of equations above? explain

Answer 1

Answer:

Exactly one solution.

Step-by-step explanation:

2x-4y=8

x+2y=4    /*2

2x-4y=8

2x+4y=8 (+)

4x=16

x=4

4+2y=4

y=0

(x;y)={(4; 0)}

Exactly one solution.