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22 March, 06:23

What is the best way to solve the system of equations below? *

-3x-3y=3

y=-5x-17

a. Elimination

b. Substitution

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Answers (2)
  1. 22 March, 08:42
    0
    The best method is substitution
  2. 22 March, 09:47
    0
    b. Substitution

    Step-by-step explanation:

    -3x-3y=3

    +3x. + 3x

    -3 / (-3y) = (3+3x) / -3

    y = - 1-x

    -1-x=-5x-17

    +5x. + 5x

    -1+4x = - 17

    +1. + 1

    4 / (4x) = (-16) / 4

    x=-4

    y=-1-x

    y=-1--4

    y=-1+4

    y=3
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