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anonymous

  • one year ago

Consider the following pair of equations: y = x + 4 y = −2x − 2 Explain how you will solve the pair of equations by substitution. Show all the steps and write the solution in (x, y) form.

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  1. pooja195
    • one year ago
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    it already tells u the value of y so plug it in opposite equations :) E1 -----> E2

  2. pooja195
    • one year ago
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    \[\huge~ x + 4= −2x − 2 \] Now you have to combine like terms

  3. pooja195
    • one year ago
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    x+2x=? -2-4=?

  4. anonymous
    • one year ago
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    3x and -6

  5. pooja195
    • one year ago
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    good \[\huge3x=-6\] Whats -6/3

  6. anonymous
    • one year ago
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    -2

  7. pooja195
    • one year ago
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    Good so we have x=-2 now just plug in X value into E1 :) \[y = (-2)+ 4\]

  8. anonymous
    • one year ago
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    wait im confused

  9. anonymous
    • one year ago
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    how did you get that equation?

  10. anonymous
    • one year ago
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    OHH

  11. anonymous
    • one year ago
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    i understand now :)

  12. pooja195
    • one year ago
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    good :) so whats the answer?

  13. anonymous
    • one year ago
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    y=2

  14. pooja195
    • one year ago
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    good so we have x=-2 y=2 :)

  15. anonymous
    • one year ago
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    Thank you so much!

  16. pooja195
    • one year ago
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    No problem :)

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