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9 August, 23:08

Use substitution to solve the system.

-4x+3y=-11

y=3x-12

+3
Answers (2)
  1. 10 August, 02:10
    0
    substitute y = 3x-12 into - 4x + 3y = - 11

    -4x + 3 (3x-12) = - 11

    distribute

    -4x + 9x-36 = - 11

    combine like terms

    5x - 36 = - 11

    add 36 to each side

    5x = 25

    divide each side by 4

    x = 5

    noe we need to find y

    y = 3x - 12

    y = 3 (5) - 12

    = 15 - 12

    y = 3

    answer (5,3)
  2. 10 August, 02:14
    0
    5,3 is the answer njsjdjjsjs
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