05-10-2016
Mathematics

contestada

PLEASE HELP
1. The ordered pair (2,7) is a solution of the equation: y - x = 5
a. true
b. false
2. The ordered pair (-3,10) is a solution of the equation: y + 4 = -2x
a. true
b. false

Respuesta :

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05-10-2016

1. False. Should be (7,2)

2. False. -3+4= 1 | -2x10= -20

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