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5 March, 02:46

What is

2y+6=x

y-3x=-13

+4
Answers (1)
  1. 5 March, 03:55
    0
    If you plug 2y + 6 in x on the second equation, it will be

    y-3 (2y+6) = - 13

    y-6y-18 = - 13

    -5y = 5

    y=-1

    then you can plug in y in any of the equations to solve for x

    (I'll do the first one)

    2 (-1) + 6=x

    -2+6=x

    x=4

    x=4 y=-1
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