leahxsmith16 leahxsmith16

02-02-2021
Mathematics

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Given that 9x–4y = 20. Find y when x= -2

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Teebee13 Teebee13

02-02-2021

9x-4y=20
9(-2)-4y=20
-18-4y=20
-4y=20+18
-4y=38
Y= -9.5

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