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Solve for $z$ . $\newline$ $9 = 5 + 2z$ $\newline$ $z =$ _____

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Solve two-step equations without parentheses

Full solution

Q. Solve for

z

.

\newline

9 = 5 + 2z

\newline

z =

_____

Isolate variable $z$ : Isolate the term with the variable $z$ . To isolate the term with $z$ , we need to move the constant term ( $5$ ) to the other side of the equation by subtracting $5$ from both sides. Calculation: $9 - 5 = 5 + 2z - 5$ This simplifies to: $4 = 2z$
Solve for z: Solve for z. $\newline$ Now that we have $2z$ on one side, we can find $z$ by dividing both sides of the equation by $2$ . $\newline$ Calculation: $4 / 2 = 2z / 2$ $\newline$ This simplifies to: $2 = z$

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