kaykaymarie1113 kaykaymarie1113

15-01-2020
Mathematics

contestada

1. Which system of equations has no solutions?
a. a – b = 2, b= - a - 3
b. a – b = 3, a+b= – 2
C. -a +b = – 2, b= a +3
d. a+b = 3, - a+b=2

Respuesta :

texaschic101 texaschic101

15-01-2020

Answer:

C.

Step-by-step explanation:

-a + b = -2

b = a + 3

-a + a + 3 = -2

3 = -2 (incorrect).....no solutions.....because these lines are parallel

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