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15 June, 03:40

Solve the system of equations: c=-b-11 3c+6=6b

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  1. 15 June, 04:02
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    C = - b-11

    3 (-b-11) + 6=6b

    -3b-33+6 = 6b

    -3b - 27=6b

    -3b+3b - 27=6b + 3b

    -27 = 9b

    -27/9 = 9b/9

    b = - 3

    c = - (-3) - 11

    c = 3-11

    c = - 8

    Check

    3 (-8) + 6=6 (-3)

    -24+6 = - 18

    -18 = - 18
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