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