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Solve for 
d.

{:[2d+4=10+2.5 d],[d=◻]:}

Solve for d d .\newline2d+4=10+2.5dd= \begin{array}{l} 2 d+4=10+2.5 d \\ d=\square \end{array}

Full solution

Q. Solve for d d .\newline2d+4=10+2.5dd= \begin{array}{l} 2 d+4=10+2.5 d \\ d=\square \end{array}
  1. Write equation: Write down the given equation.\newline2d+4=10+2.5d2d + 4 = 10 + 2.5d\newlineWe need to solve for dd by isolating it on one side of the equation.
  2. Subtract variable terms: Subtract 2d2d from both sides to move the variable terms to one side.\newline2d+42d=10+2.5d2d2d + 4 - 2d = 10 + 2.5d - 2d\newlineThis simplifies to:\newline4=10+0.5d4 = 10 + 0.5d
  3. Isolate term with variable: Subtract 1010 from both sides to isolate the term with the variable dd. \newline410=1010+0.5d4 - 10 = 10 - 10 + 0.5d\newlineThis simplifies to:\newline6=0.5d-6 = 0.5d
  4. Divide to solve for d: Divide both sides by 0.50.5 to solve for dd.
    6/0.5=0.5d/0.5-6 / 0.5 = 0.5d / 0.5
    This simplifies to:
    d=12d = -12

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