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Solve for dd.\newline−9d+12d=15-9d + 12d = 15\newlined=d = ____

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Q. Solve for dd.\newline−9d+12d=15-9d + 12d = 15\newlined=d = ____
  1. Combine like terms: Combine like terms on the left side of the equation.\newline−9d+12d=15-9d + 12d = 15\newline(−9+12)d=15(-9 + 12)d = 15\newline3d=153d = 15
  2. Divide both sides: Divide both sides of the equation by 33 to solve for dd.\newline3d3=153\frac{3d}{3} = \frac{15}{3}\newlined=5d = 5

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