Select all the correct systems of equations.
Which systems of equations have infinite solutions?
1 answer:
Answer: Comment: From the explanations below,
2x + y = 10
-6x = 3y + 7 had an infinite solution, while y = 14 -2x
6x + 3y = 42 has a fictitious solution, so also equation
2x + y = 17
-6x = 3y - 51.
Step-by-step explanation:
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P = 10 + x + 2x + 7
= (10 + 7) + (x + 2x)
= 17 + 3x
Therefore, the perimeter is 17 + 3x feet.
