2 years ago

Question

Mathematics

1 answer:

Mademuasel [1]2 years ago

6 0

Answer: F

Step-by-step explanation:

This does not have infinitely many solutions (adding the equations, we get a fixed value of x)
This has no solutions (the left hand sides are the same but the right hand sides have different values)
This has one solution (the first equation givess a fixed value for x)
This has no solutions (same reason as 2)
This has one solution (same reason as 3, just the second equation instead of the first)
This has infinitely many solutions (multiplying both sides of the top equation by -2 gives the bottom equation).

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