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16 September, 01:52

3x+10y=31

2x + 10 = y

solve the problem with substitution

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Answers (2)
  1. 16 September, 04:12
    0
    y=4,:x=-1

    Step-by-step explanation:

    5x+3y=7

    Subtract 3y from both sides

    Simplify

    5x=7-3y

    Divide both sides by 5

    Simplify

    Subsititute

    {7-3y 5}
  2. 16 September, 05:12
    0
    (-3,4) or x = - 3, y = 4
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