uhemillyy
uhemillyy
08-07-2016
Mathematics
contestada
please help. i need to pass.
Respuesta :
Mehek
Mehek
08-07-2016
Plug 8 for y
8 = 2x + 4
Subtract 4
4 = 2x
Divide by 2
x = 2
Plug 16 for y
16 = 2x + 4
Subtract by 4
12 = 2x
Divide by 2
x = 6
Substitute 20 for y
20 = 2x + 4
16 = 2x
x = 8
Substitute 22 for y
22 = 2x + 4
18 = 2x
9 = x
So the values are
2, 6, 8, 9
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