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haileemackk

  • 3 years ago

If the linear equation 3x = 9 − 2y is written in standard form, what is the value of B? I know standard form is y = mx + b but I'm not sure how to put it in standard form unless it would be something like: -2y = 3x + 9 but I really don't think that's right.

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  1. Shadowys
    • 3 years ago
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    yes. you'll have to rearrange it into -2y = 3x - 9 then into y = -1.5x +4.5

  2. haileemackk
    • 3 years ago
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    but how did you get y = -1.5x + 4.5?

  3. Shadowys
    • 3 years ago
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    division by -2 of the entire equation.

  4. ojwilliams
    • 3 years ago
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    or divide by 2 and change the signs

  5. haileemackk
    • 3 years ago
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    oh okay, so the answer would be -1.5 right?

  6. Shadowys
    • 3 years ago
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    i think the b is the one without the x, i.e. 4.5

  7. haileemackk
    • 3 years ago
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    oh, i misread it! thank you for correcting me!

  8. Shadowys
    • 3 years ago
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    you're welcome :)

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