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MightySmurf

  • 3 years ago

Solve this system of equations using substitution. a+b+c=180 b=3a c=5a

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  1. TheReturnofInsanity
    • 3 years ago
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    a+3a+5a=180

  2. TheReturnofInsanity
    • 3 years ago
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    9a=180

  3. TheReturnofInsanity
    • 3 years ago
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    a=20

  4. MightySmurf
    • 3 years ago
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    so i basically just plug in the numbers

  5. TheReturnofInsanity
    • 3 years ago
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    yeah lol

  6. MightySmurf
    • 3 years ago
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    o ok thx u sooooo much

  7. MightySmurf
    • 3 years ago
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    now i understand lol

  8. TheReturnofInsanity
    • 3 years ago
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    yeah np smurf

  9. MightySmurf
    • 3 years ago
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    so would i divide for c or wut

  10. TheReturnofInsanity
    • 3 years ago
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    what do you mean

  11. MightySmurf
    • 3 years ago
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    itz askin for c now

  12. lalaly
    • 3 years ago
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    a=20 so b=3*20 = 60 c=5*20 = 100

  13. TheReturnofInsanity
    • 3 years ago
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    oh lol

  14. MightySmurf
    • 3 years ago
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    so i multiply it ok

  15. karatechopper
    • 3 years ago
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    @mighty the answer is a=20

  16. TheReturnofInsanity
    • 3 years ago
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    yeah lana is right :)

  17. MightySmurf
    • 3 years ago
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    thank u

  18. karatechopper
    • 3 years ago
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    welcome:)

  19. lalaly
    • 3 years ago
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    :)

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