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3 years ago

5

X+y=-2 7x-4y=8 graph

1 answer:

Novay_Z [31]3 years ago

3 0

Answer:

x+y=-2

7x-4y=8

Step-by-step explanation:

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MrRissso [65]

Answer:

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A trick I know is if you add all the digits of the number and they add up to a multiple of 3, it is divisible by 3.

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