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TayTay1213

  • 3 years ago

find two consecutive integers whose sum is 35

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  1. Dido525
    • 3 years ago
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    |dw:1352068849883:dw|

  2. TayTay1213
    • 3 years ago
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    can you write that in an equation so i can right it like that on my paper

  3. SSmaths
    • 3 years ago
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    17 + 18

  4. Dido525
    • 3 years ago
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    @SSmaths : Don't just give the answer...

  5. Dido525
    • 3 years ago
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    @TayTay1213 : I am saying 1 interger is x. If they are consecutive, the next term must be x+1

  6. TayTay1213
    • 3 years ago
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    im confused on how to do that

  7. Dido525
    • 3 years ago
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    |dw:1352069045322:dw|

  8. Dido525
    • 3 years ago
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    You follow?

  9. TayTay1213
    • 3 years ago
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    not really

  10. SSmaths
    • 3 years ago
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    sorry

  11. Dido525
    • 3 years ago
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    I am just saying that the interger we are trying to find is x.

  12. Dido525
    • 3 years ago
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    Do you get that?

  13. Dido525
    • 3 years ago
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    I am just assigning a variable.

  14. Dido525
    • 3 years ago
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    I am saying that integer we are trying to find is x.

  15. TayTay1213
    • 3 years ago
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    I get it so would it be like 17+(17+1)=35 so x would equal 17

  16. Dido525
    • 3 years ago
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    But we are trying to find x. We aren't given what x is.

  17. Dido525
    • 3 years ago
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    Wait. Have you even learnt algebra yet?

  18. TayTay1213
    • 3 years ago
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    well we are learning how to but i cant remember doing this

  19. Dido525
    • 3 years ago
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    The idea is that if you don't know what something is you say it's equal to x.

  20. Dido525
    • 3 years ago
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    so we don't know what the integer is so we say it's equal to x. Do you follow?

  21. TayTay1213
    • 3 years ago
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    yeah but how do you right that out

  22. Dido525
    • 3 years ago
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    Let one of the integers be= x

  23. Dido525
    • 3 years ago
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    That means the other integer must be = x+1 They are consecutive, meaning they come after one another.

  24. Dido525
    • 3 years ago
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    Together those two must add to 35.

  25. TayTay1213
    • 3 years ago
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    so would it be like x+(x+1)=35 and x=17

  26. SSmaths
    • 3 years ago
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    from that equation you have to re-arrange it to make x the subject

  27. TayTay1213
    • 3 years ago
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    can someone show me how to write it out

  28. SSmaths
    • 3 years ago
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    the equation can be written as x+x+1=35 then simplify from there

  29. Dido525
    • 3 years ago
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    So you get 2x+1 = 35 34=2x

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