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britgirl001

Which of the following is the solution to the equation 8(y + 3) = 2y ?

  • one year ago
  • one year ago

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  1. britgirl001
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    • one year ago
  2. Kaederfds
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    y = -1,5

    • one year ago
  3. .Sam.
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    There's number of ways to solve this

    • one year ago
  4. .Sam.
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    you know that \[\large 2^3=8\] \[8^{y + 3} = 2^y\] \[2^{3(y + 3)} = 2^y\] 3(y+3)=y Solve

    • one year ago
  5. britgirl001
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    -1.5

    • one year ago
  6. .Sam.
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    \[\begin{array}{l} \text{Expand out terms of the left hand side:} \\ 3 y+9=y \\ \text{Add }(-y-9)\text{ to both sides:} \\ 2 y=-9 \\ \text{Divide both sides by }2: \\ y=-\frac{9}{2} \\\end{array}\]

    • one year ago
  7. britgirl001
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    that snot the final answer tho right?

    • one year ago
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