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6 December, 21:25

What is - 3x-5y=6

y=-3

+3
Answers (1)
  1. 6 December, 21:50
    0
    x = 3

    Step-by-step explanation:

    1) Substitute - 3 for y in the equation:

    -3x - 5 (-3) = 6

    2) Simplify, two negatives multiplied equals a positive.

    -3x + 15 = 6

    3) Solve for x, first subtract 15 from both sides

    -3x - 15 + 15 = 6 - 15

    -3x = - 9

    4) Solve for x, divide both sides by - 3

    -3x/-3 = - 9/-3

    x = 3
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