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hodyreva [135]
3 years ago
8

How many solutions does this system have? 7. X = -2

Mathematics
1 answer:
Blizzard [7]3 years ago
3 0

Answer:

One

Explanation:

3

y

=

18

x

+

21

XXX

⇔

y

=

6

x

+

7

5

y

+

55

=

30

x

XXX

⇔

y

=

6

x

−

11

both equations are linear and they are not co-linear

therefore there is exactly 1 solutio

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