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minnie123

  • 3 years ago

Help with attachment please?!?

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  1. minnie123
    • 3 years ago
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  2. hartnn
    • 3 years ago
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    multiply first equation by 2, what you get ?

  3. minnie123
    • 3 years ago
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    10x+14y=62

  4. hba
    • 3 years ago
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    There are two methods to solve this 1)Sub 2)Elimination

  5. hartnn
    • 3 years ago
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    correct, now multiply 2nd equation by 5, what you get ?

  6. hba
    • 3 years ago
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    @hartnn Is showing you elimination :)

  7. minnie123
    • 3 years ago
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    10x+20y=80

  8. hartnn
    • 3 years ago
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    very good, now subtract the 2 equation which you got.

  9. minnie123
    • 3 years ago
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    -6y=-18

  10. hartnn
    • 3 years ago
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    good! so, y=.... ?

  11. hartnn
    • 3 years ago
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    divide both sides by -6

  12. minnie123
    • 3 years ago
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    y=3

  13. hartnn
    • 3 years ago
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    thats correct :) now put y=3 in any of the equations you want to get 'x'.

  14. hartnn
    • 3 years ago
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    what did u get value of 'x' as ?? or you need help with this ?

  15. minnie123
    • 3 years ago
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    x=2

  16. hartnn
    • 3 years ago
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    that is correct! good work :)

  17. minnie123
    • 3 years ago
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    Thanks You:) & Thank You for helping me!!!

  18. hartnn
    • 3 years ago
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    welcome ^_^

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