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casidy_albright_96

  • 3 years ago

Solve the following system using substitution: y=-4x-2 y=x+3

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  1. Stephanizer
    • 3 years ago
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    substitute y for x+3 solve for x final solution should be x= -1

  2. casidy_albright_96
    • 3 years ago
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    could you show me how you got that?

  3. Stephanizer
    • 3 years ago
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    Sure Like I said your going to substitute y for x+3 so your going to rewrite you problem as.. x+3=-4x-2 The next thing you need to do is get rid of one of the x's so your going to subtract x from both sides so your new equation is.. 3=-5x-2 (Because its understood that x=1) Your next step is to add 2 to both sides.. 5=-5x Now we want to get x by itself so we divide -5 on both sides, Giving you your final answer of -1=x

  4. casidy_albright_96
    • 3 years ago
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    thank you so much!!!! :)

  5. Stephanizer
    • 3 years ago
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    very welcome:)

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