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Solve for $z$ . $\newline$ $3(z - 12) = 12$ $\newline$ $z =$ _____

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Solve two-step equations with parentheses

Full solution

Q. Solve for

z

.

\newline

3(z - 12) = 12

\newline

z =

_____

Distribute $3$ : Distribute $3$ to both terms inside the parentheses. $\newline$ Calculation: $3(z - 12) = 3z - 36$
Set up equation: Set up the equation with the distributed terms. $\newline$ Calculation: $3z - 36 = 12$
Add $36$ : Add $36$ to both sides to isolate the term with $z$ . $\newline$ Calculation: $3z - 36 + 36 = 12 + 36$
Simplify equation: Simplify both sides of the equation. $\newline$ Calculation: $3z = 48$
Divide by $3$ : Divide both sides by $3$ to solve for $z$ . $\newline$ Calculation: $z = \frac{48}{3}$

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