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4everjames

Solve the following system of equations by using the substitution method. x - y = 3 2x + 2y = 2

  • one year ago
  • one year ago

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  1. waterineyes
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    Multiply the first equation by 2 both the sides, tell me what you got?

    • one year ago
  2. 4everjames
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    @waterineyes 4x+4y=2

    • one year ago
  3. waterineyes
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    I said multiply 2 to the first equation.. What is your first equation?

    • one year ago
  4. 4everjames
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    @waterineyes 2x-2y=3

    • one year ago
  5. waterineyes
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    Why are you not multiplying 2 with right hand side.. I said to multiply both the sides. Now tell me what you get..

    • one year ago
  6. 4everjames
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    @waterineyes 2x-2y=6

    • one year ago
  7. waterineyes
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    Yes.. Now add the two equations: 2x - 2y = 6 2x + 2y = 4 Add them..

    • one year ago
  8. 4everjames
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    @waterineyes 4x+4y=10

    • one year ago
  9. waterineyes
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    What will be the result when you do this: -2y + 2y = ???

    • one year ago
  10. 4everjames
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    @waterineyes 0. so y

    • one year ago
  11. 4everjames
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    i dont understand what you just did

    • one year ago
  12. muhammad9t5
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    what about my answer ?? Where it is?

    • one year ago
  13. 4everjames
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    @muhammad9t5 i didnt see your answer

    • one year ago
  14. muhammad9t5
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    @4everjames friend i wrote the answer step by step in 5 minutes.

    • one year ago
  15. 4everjames
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    @muhammad9t5 what was the answer?

    • one year ago
  16. muhammad9t5
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    x=2 and y=-1

    • one year ago
  17. 4everjames
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    @muhammad9t5 thats what i got. thanks

    • one year ago
  18. 4everjames
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    @muhammad9t5 Solve the following system of equations by using the elimination method. 2x - 3y = -10 3x + 5y = 4

    • one year ago
  19. muhammad9t5
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    @4everjames like my ans please.

    • one year ago
  20. 4everjames
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    @muhammad9t5 i did

    • one year ago
  21. muhammad9t5
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    @4everjames friend do you need ans of 2nd question or explanation?

    • one year ago
  22. 4everjames
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    @muhammad9t5 both

    • one year ago
  23. muhammad9t5
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    friend now it will take time and i am gonna sleep now i wll give expanation tomorrow. please

    • one year ago
  24. 4everjames
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    @muhammad9t5 ok thanks

    • one year ago
  25. muhammad9t5
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    x=-2 and y=2 i hope it helps.

    • one year ago
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