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4everjames

  • 3 years ago

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

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

  2. 4everjames
    • 3 years ago
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    @waterineyes 4x+4y=2

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

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

  5. waterineyes
    • 3 years ago
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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..

  6. 4everjames
    • 3 years ago
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    @waterineyes 2x-2y=6

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

  8. 4everjames
    • 3 years ago
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    @waterineyes 4x+4y=10

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

  10. 4everjames
    • 3 years ago
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    @waterineyes 0. so y

  11. 4everjames
    • 3 years ago
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    i dont understand what you just did

  12. muhammad9t5
    • 3 years ago
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    what about my answer ?? Where it is?

  13. 4everjames
    • 3 years ago
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    @muhammad9t5 i didnt see your answer

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

  15. 4everjames
    • 3 years ago
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    @muhammad9t5 what was the answer?

  16. muhammad9t5
    • 3 years ago
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    x=2 and y=-1

  17. 4everjames
    • 3 years ago
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    @muhammad9t5 thats what i got. thanks

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

  19. muhammad9t5
    • 3 years ago
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    @4everjames like my ans please.

  20. 4everjames
    • 3 years ago
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    @muhammad9t5 i did

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

  22. 4everjames
    • 3 years ago
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    @muhammad9t5 both

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

  24. 4everjames
    • 3 years ago
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    @muhammad9t5 ok thanks

  25. muhammad9t5
    • 3 years ago
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    x=-2 and y=2 i hope it helps.

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