marbellafonseca marbellafonseca

22-08-2020
Mathematics

contestada

2x - y2
Z-5
Evaluate when x = 2, y = 4
z=3

Respuesta :

Brainlytreasurer153 Brainlytreasurer153

22-08-2020

Answer:

Putting the value in x = 2 , y =4 in 2x - 2y we get,

2 × 2 - 4× 2= 4-8 = -4

Putting the value in z = 3 in z - 5 we get,

z - 5 = 3 - 5 = -2

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