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brandoduh

  • 4 years ago

Solve the following equation by using the substitution method. Write your answer as an order pair. Y + 3x = -1 2y -5x = 31

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  1. kropot72
    • 4 years ago
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    Multiply (y + 3x = -1) by 2. Then subtract the result from (2y - 5x = 31). This will eliminate y and enable you to find the value of x. Can you try this?

  2. brandoduh
    • 4 years ago
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    Thanks So Much :)

  3. Muhammad_Nauman_Umair
    • 4 years ago
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    as y=31-3x then -12(31-3x)-5x=31 -372+36x-5x=31 31x=372+31 x=13 and y=-8 (13,-8)

  4. brandoduh
    • 4 years ago
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    Thanks =)

  5. kropot72
    • 4 years ago
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    My tested result is (-3,8) for the ordered pair

  6. kropot72
    • 4 years ago
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    Try testing (13,-8) in (y + 3x = -1)

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