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4 February, 14:51

Solve by any method (substitution, graphing, linear combination y=x-6 3x+2y=8 (14,8) (0,-6) (4,-2) (3,-3)

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Answers (2)
  1. 4 February, 16:14
    0
    The answer is (4,-2)

    Step-by-step explanation:

    y=x-6

    3x+2y=8

    3x+2 (x-6) = 8

    3x+2x-12=8 Combine like terms

    3x+2x-12+12=8+12 add 12 to both sides then combine

    5x=20→ x=4

    then plug it in to y=x-6→y=4-6→y=-2
  2. 4 February, 18:39
    0
    (4,-2)

    Step by Step Explanation:

    Given equations are

    y=x-6 eq (1)

    3x+2y=8 eq (2)

    Subtitute eq (1) into eq (2) we get

    3x+2 (x-6) = 8

    3x+2x-12=8

    5x-12=8

    Adding 12 on both side of equation we get

    5x-12+12=8+12

    5x=20

    Dividing by 5 on both sides of equation we get

    5x/5=20/5

    x=4

    Putting the value of in eq (1) we get

    y=4-6

    y=-2

    The solution is (4,-2).
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