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sylinan

  • 3 years ago

help please (x+20) over 2 = 3x

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  1. hba
    • 3 years ago
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    \[\frac{ x+20 }{ 2 }=3x\] 1)multiply both sides by 2 2) subtract both sides by 20 3)kaboom the answer appears.

  2. sylinan
    • 3 years ago
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    after i multiply 2 by both sides i got 20x=6x but i feel like that's wrong

  3. hba
    • 3 years ago
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    No it would be x+20=6x

  4. sylinan
    • 3 years ago
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    oh okay

  5. sylinan
    • 3 years ago
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    so i got x=6x so then i subtract x from both sides? and i get5x?

  6. luvvikrant93
    • 3 years ago
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    5x=20 x=4

  7. sylinan
    • 3 years ago
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    how did you get that?(:

  8. hba
    • 3 years ago
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    No subtract from both sides girly x=6x-20

  9. sylinan
    • 3 years ago
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    @luvvikrant93

  10. sylinan
    • 3 years ago
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    @hba im really lost :/

  11. hba
    • 3 years ago
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    Now we can take the 20 on the other hand and x on the other. 6x-20=x 6x-x=20 5x=20

  12. hba
    • 3 years ago
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    Okay lemme start over again then @sylinan Or you can tell where i should continue.

  13. sylinan
    • 3 years ago
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    okay im confused because we subtracted 20 from both sides and then i got x= 6x

  14. hba
    • 3 years ago
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    Okay Lets see this x+20=6x Let us subtract x from both sides. Now do it.

  15. sylinan
    • 3 years ago
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    oh okay i get it now so when you do that is when you get 5x=20

  16. hba
    • 3 years ago
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    Yes now divide both sides by 5

  17. luvvikrant93
    • 3 years ago
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    (x+20)/2=3x x+20=6x 20=6x-x 20=5x x=20/5 x=4

  18. sylinan
    • 3 years ago
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    okay and then you get four thank you!(:

  19. hba
    • 3 years ago
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    Welcome :)

  20. luvvikrant93
    • 3 years ago
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    ur method r so long

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