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Today, 08:55

A system of equations has 1 solution. If 4x - y = 5 is one of the equations, which could be the other equation?

A. y = - 4x + 5

B. y = 4x - 5

C. 2y = 8x - 10

D. - 2y = - 8x - 10

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Answers (1)
  1. Today, 11:49
    0
    B is the correct answer. You just need to put the y by himself.

    4x-y=5 (move the 4x to the other side)

    -y=-4x+5 (since the y can not be negative, divide by - 1)

    y=4x-5 done!
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