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ruhanbasit

  • 3 years ago

i thinkof a no & add 12 then i start again with the no double it & subtract 8 .the two results are same. can someone help

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  1. azolotor
    • 3 years ago
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    add eight over and subtract x \[4=x\]

  2. ParthKohli
    • 3 years ago
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    Another way:\[x - 4 = 2(x - 4)\]So obviously, \(x - 4 = 0\).

  3. shubhamsrg
    • 3 years ago
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    Or, x= +inf or -inf! ;)

  4. ParthKohli
    • 3 years ago
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    I hope any one of you didn't think of dividing both sides by \(x - 4\), or you could have been jailed . . .

  5. ParthKohli
    • 3 years ago
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    Oh, new question?\[x + 12 = 2x - 8\]

  6. ruhanbasit
    • 3 years ago
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    thanks A lot to help me but please can u tell me how to solve it step by step i ll highly apperciate thanx & regards in advance

  7. azolotor
    • 3 years ago
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    So you want to isolate x. First step is to get like terms on the same side with each other. SO add 8 over and subtract so you get \[4=x\] in this case. It won't always isolate quite so easily there may be division/multiplication involved but the process involved is always the same. Combine like terms and then isolate x

  8. ruhanbasit
    • 3 years ago
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    thanks & regards

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