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anonymous

  • one year ago

Solve the equation 21=x-15

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  1. Vocaloid
    • one year ago
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    add 15 to both sides

  2. anonymous
    • one year ago
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    21=x-15 +15 +15 36 =×-30

  3. anonymous
    • one year ago
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    What do I do next is it correct

  4. anonymous
    • one year ago
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    Yes x=36

  5. anonymous
    • one year ago
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    So its correct

  6. anonymous
    • one year ago
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    yes

  7. kva1992
    • one year ago
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    the answer is sorta correct

  8. anonymous
    • one year ago
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    Its 36-15=21

  9. anonymous
    • one year ago
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    Can you show me how to do it then please

  10. anonymous
    • one year ago
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    not 30

  11. kva1992
    • one year ago
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    I mean the answer is correct but yeah its not 30 the 15 cancels

  12. anonymous
    • one year ago
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    Medal?

  13. Vocaloid
    • one year ago
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    21=x-15 21 + 15 = x - 15 + 15 36 = x

  14. anonymous
    • one year ago
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    .................................

  15. kva1992
    • one year ago
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    there you go

  16. anonymous
    • one year ago
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    What about this one n-13=8

  17. kva1992
    • one year ago
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    same thing instead of an x its just a n treat it like you would treat a x

  18. anonymous
    • one year ago
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    So n-13=8 +13 +13 n- 26 =21

  19. kva1992
    • one year ago
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    nope n-13=8 +13 +13 n=21 -13 +13 =0

  20. kva1992
    • one year ago
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    dont forget to cancel

  21. anonymous
    • one year ago
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    Oh ok

  22. anonymous
    • one year ago
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    What about -44=w+32 -44 -44 W=-76

  23. kva1992
    • one year ago
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    yeah thats pretty much it

  24. kva1992
    • one year ago
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    try to keep the variable on its own side but you pretty much got it

  25. kva1992
    • one year ago
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    oh and also when you try to cancel you have to add the opposite from one side so if its -44 you add 44 to cancel not subtract 44

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