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If ordered pairs (a, -2) and (4, b) belong to set {(a, b): b=2a-8, find the value of a and b



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Respuesta :

Answer:

a = 3   b = 0

Step-by-step explanation:

(a,-2)   b= -2

-2=2a -8

6=2a

3=a

(4,b)   a=4

b=2(4)-8

b=8-8

b=0

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