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anonymous

  • one year ago

45=x+7

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  1. welshfella
    • one year ago
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    to find the value of x subtract 7 from both sides

  2. welshfella
    • one year ago
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    45 - 7 = x+ 7 - 7 45 - 7 = x what is the value of x?

  3. Jenma
    • one year ago
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    38

  4. welshfella
    • one year ago
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    yes

  5. welshfella
    • one year ago
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    the purpose of subtracting both sides by 7 was to isolate x on right hand side . You need to keep the equation balanced so whatever you do to one side you have to do to the other.

  6. anonymous
    • one year ago
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    thanks

  7. Jenma
    • one year ago
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    yes you're right.

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