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Solve for $z$ . $\newline$ $z - 5 = 12$ $\newline$ $z =$ _____

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Solve one-step addition and subtraction equations with whole numbers

Full solution

Q. Solve for

z

.

\newline

z - 5 = 12

\newline

z =

_____

Add $5$ to both sides: $z - 5 = 12$ $\newline$ Solve for $z$ . $\newline$ To isolate $z$ , we need to get rid of the $-5$ that is subtracted from it. We can do this by adding $5$ to both sides of the equation. $\newline$ $z - 5 + 5 = 12 + 5$
Simplify the equation: Now, we simplify both sides of the equation. $z = 17$

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