leahxsmith16
leahxsmith16
02-02-2021
Mathematics
contestada
Given that 9x–4y = 20. Find y when x= -2
Respuesta :
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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