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Luba_88 [7]
3 years ago
12

This is the answer key, not my work. For question 7, how do you get the -3 and 2 to multiply the equations by

Mathematics
1 answer:
zysi [14]3 years ago
5 0

The -3 and 2 are just the numbers you multiply by to get the variable 's' have opposite values in the 2 equations so that when you add the 2 equations, they would cancel out

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Answer:

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Well, first I'd start off by adding the hours. 10:30 Am + 1 hour = 11:30 AM.
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