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27 May, 14:23

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

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Answers (1)
  1. 27 May, 14:48
    0
    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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