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julie001

  • 2 years ago

9x-(7x+1/2)=3x+(1/2-X)

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  1. vipul92
    • 2 years ago
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    x=0

  2. gaara438125
    • 2 years ago
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    do you know how to do the distributive property?

  3. julie001
    • 2 years ago
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    Yea bt im nt sure hw to strt

  4. lharrell97
    • 2 years ago
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    9x-(7x+1/2)=3x+(1/2-X) 9x-7x=2x 2x+1/2=3x+1/2-x 2x+1/2=2x+1/2 2x=2x x=x

  5. lharrell97
    • 2 years ago
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    the answer is "all real numbers"

  6. gaara438125
    • 2 years ago
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    \[9x -1(7x+\frac{ 1 }{ 2 }) = 3x + 1(\frac{ 1 }{ 2 }-x)\] does that look nicer? :}

  7. gaara438125
    • 2 years ago
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    the answer is x=x not just all real numbers

  8. julie001
    • 2 years ago
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    Thanks can u help with thid

  9. julie001
    • 2 years ago
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    -4/7x=-12+4

  10. gaara438125
    • 2 years ago
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    well to get rid of the fraction multiply both sides by 7 to get what

  11. gaara438125
    • 2 years ago
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    7x sorry

  12. gaara438125
    • 2 years ago
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    or divide each side by four leaving the left side negative seven

  13. julie001
    • 2 years ago
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    7 cancels out?

  14. gaara438125
    • 2 years ago
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    \[\frac{ -4 }{ 7x } = -12 + 4\]

  15. lharrell97
    • 2 years ago
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    9x-(7x+1/2)=3x+(1/2-X) lets say x=34 306-238+1/2=102+1/2-34 68+1/2=68+1/2 - lets say that x=113 1017-791+1/2)=339+1/2-113 226+1/2=226+1/2 i can do this all day, because X= ALL REAL NUMBERS

  16. gaara438125
    • 2 years ago
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    on the left do you want to get rid of the seven or the four

  17. julie001
    • 2 years ago
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    7

  18. gaara438125
    • 2 years ago
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    i got x = 14

  19. julie001
    • 2 years ago
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    Hw/

  20. gaara438125
    • 2 years ago
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    multiply both sides by 7x to get \[-4 = -84x + 28x\] \[-4 = -56x\] \[0 = \frac{ -56x }{ -4 }\] 0 = 14x 0 = x

  21. gaara438125
    • 2 years ago
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    @lharrell97 if x=x then it can be anything because you don't know the value of x so it could be an imaginary number or it could be elephant...not JUST all real numbers

  22. julie001
    • 2 years ago
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    Thanks bt i hve more x+5 over 3 = x-3 over 4

  23. lharrell97
    • 2 years ago
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    because you dont know the value of X, it could be any possible number. x could equal 3 billion or it could equal 2. the answer therefore is X= all real numbers... although i can see where you're coming from haha

  24. julie001
    • 2 years ago
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    Hw would i work it out?

  25. gaara438125
    • 2 years ago
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    i think it's probable that X=elephant probably...yeah probably lol

  26. gaara438125
    • 2 years ago
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    look like that? \[\frac{ x + 5 }{ 3 } =\frac{ x - 3 }{ 4 }\]

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