Respuesta :

Answer:  Infinitely many solutions like 0=0

Step-by-step explanation:

y+2x=4

Step: Solve y =−2x + 4 for y:

Step: Substitute −2x + 4 for y in 2x + y= 4:

2x +y = 4

2x -2x + 4 = 4

4=4 (Simplify both sides of the equation)

4−4 = 4−4 (Add -4 to both sides)

0=0