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20 March, 14:22

Use the elimination method to solve each system of equations,

11. 3x + 4y - 38

5x - 4y - 10

a. (5.6)

b. (6,4)

c. (6,5)

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Answers (1)
  1. 20 March, 14:46
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    x=6 y=5

    c. (6,5)

    Step-by-step explanation:

    just add the two equations together and the 4ys cancel out

    3x+4y-38

    5x-4y-10

    8x-48

    +48

    8x=48

    divide by 8

    x=6

    then add 6 in as x to the an equation

    5 (6) - 4y-10

    30-4y-10

    20-4y

    20=4y

    divide by 4

    y=5
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