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9 February, 18:48

What is the solution to the given system of equations?

y=4x-3

y=-x-13

A: (-11, - 2)

B: (-2, - 11)

C: (-2, - 15)

D: (-2, 5)

+3
Answers (1)
  1. 9 February, 19:06
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    y = 4x - 3 substitute it to the second equation y = - x - 13:

    4x - 3 = - x - 13 add 3 to both sides

    4x = - x - 10 add x to both sides

    5x = - 10 divide both sides by 5

    x = - 2

    Substitute the value of x to the first equation:

    y = 4 (-2) - 3

    y = - 8 - 3

    y = - 11

    Answer: B: (-2, - 11)
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