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anonymous

  • 5 years ago

List all the solutions of the equation |8w+4| = 68 .

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  1. dumbcow
    • 5 years ago
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    set up 2 cases 8w+4 = 68 and 8w+4 = -68

  2. anonymous
    • 5 years ago
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    but how do i find W?

  3. dumbcow
    • 5 years ago
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    get it by itself on left hand side by canceling everything else ex: 8w+4 = 68 to cancel out the addition of 4 i subtract 4 on both sides 8w +4 = 68 -4 -4 _____________ 8w +0 = 64 cancel out multiplication of 8 by dividing by 8 on both sides 8w/8 = 64/8 w = 8 make sense?

  4. anonymous
    • 5 years ago
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    kind ok...so there are 2 solutions.... 8, -8 right?

  5. anonymous
    • 5 years ago
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    kind of*

  6. dumbcow
    • 5 years ago
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    not quite, its not always just the negative of the answer for first one remember there were 2 case follow same steps to find w again for 8w +4 = -68

  7. anonymous
    • 5 years ago
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    so -9, and 8?

  8. dumbcow
    • 5 years ago
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    yes correct :)

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