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pkd8

  • 3 years ago

9-2x=7-x

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  1. ParthKohli
    • 3 years ago
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    \[ 7 - x = 9 - 2x\]

  2. pkd8
    • 3 years ago
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    i got x=-16 dunno if i am right.

  3. ParthKohli
    • 3 years ago
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    Let's check then.\[9 - 2(-16) = 9 - (-32) = 41 \]\[ 7 - x = 7 - (-16) = 23 \]

  4. ParthKohli
    • 3 years ago
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    Does not satisfy.

  5. pkd8
    • 3 years ago
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    still confused.

  6. karatechopper
    • 3 years ago
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    Can you show me the steps u used to solve this equation?

  7. pkd8
    • 3 years ago
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    9-2x=7-x +x +x 7=-1x-9 +9 + 9 16 = -1x x=-16

  8. karatechopper
    • 3 years ago
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    Ok...You were lost on your first step. You are supposed to add '2x' to both sides. not just x:)

  9. pkd8
    • 3 years ago
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    i got x=2

  10. karatechopper
    • 3 years ago
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    Good that is correct

  11. pkd8
    • 3 years ago
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    awesome, thank You karatechopper.

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