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Solve for dd.\newline5d−20=7d5d - 20 = 7d\newlined=d = ____

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Full solution

Q. Solve for dd.\newline5d−20=7d5d - 20 = 7d\newlined=d = ____
  1. Get dd terms together: First, let's get all the dd terms on one side. Subtract 5d5d from both sides: 5d−20−5d=7d−5d5d - 20 - 5d = 7d - 5d.
  2. Subtract 5d5d: Now we have −20=2d-20 = 2d.
  3. Isolate dd: Next, divide both sides by 22 to solve for dd: −20/2=2d/2-20 / 2 = 2d / 2.
  4. Divide by 22: So, d=−10d = -10.

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