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elena55 [62]
2 years ago
9

How many solutions does the system have? y = -7x + 8 y = -7x - 8 Choose 1 answer:

Mathematics
1 answer:
Verdich [7]2 years ago
7 0

Answer:

No solutions

Step-by-step explanation:

If we try to solve this system for y at x = 1, we get an impossible situation:

y=-7(1)+8=-7+8=1\\y=-7(1)-8=-7-8=-15\\1=-15

Clearly, 1 ≠ -15, and we'll see that any value of x that we pick gives us two contradictory values for y, so this system has no solutions.

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