robloxwithwood robloxwithwood

23-04-2020
Mathematics

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please help me. answer this question please.

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306flower 306flower

23-04-2020

x - y = 6

x + 3y = -6

Subtract the first equation from the second

4y = -12

y = -3

Plug y into the first equation

x + 3 = 6

x = 3

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