sun0077
sun0077 sun0077
  • 25-11-2020
  • Mathematics
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Diberi x = 2 dan y = -7. Cari nilai bagi setiap ungkapan berikut.
(a) 2x - y
(b) x - 4y + 8​

Respuesta :

bbaynz bbaynz
  • 25-11-2020
(a) 2x - y

Answer :
2(2) - (-7)
= 11

(b) x - 4y + 8

Answer :
2 - 4(-7) + 8
= 38
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