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Solve for $d$ . $\newline$ $9 = 2d + 1$ $\newline$ $d =$ _____

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Solve two-step equations

Full solution

Q. Solve for

d

.

\newline

9 = 2d + 1

\newline

d =

_____

Isolate variable term: Isolate the variable term to one side of the equation by subtracting $1$ from both sides. $\newline$ $9 = 2d + 1$ $\newline$ $9 - 1 = 2d + 1 - 1$
Simplify left side: Simplify the left side of the equation by performing the subtraction. $9 - 1 = 2d$ $8 = 2d$
Divide by $2$ : Divide both sides of the equation by $2$ to solve for $d$ . $\frac{8}{2} = \frac{2d}{2}$
Find value of d: Simplify both sides of the equation to find the value of d. $\newline$ $4 = d$

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