cook2001
cook2001
22-01-2020
Mathematics
contestada
–7x +9y=-18
-2x – 9y = 18
Respuesta :
jenna0226
jenna0226
22-01-2020
-7x+9y=-18
-2x-9y=18
-9x (y’s cancel)=0
X=0
Answer Link
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