Solve for z. -20 ≤ z - 9 < -12 Write your answer as a compound inequality with integers. Choices: (A)-11 ≤ z < -3 (B)-29 ≤ z < -3 (C)-11 ≤ z < -21 (D)-29 ≤ z < -21

Identify operation for isolation: -20 ≤ z - 9 < -12 Which operation should we use to isolate z? In z - 9, 9 is being subtracted from z. Addition should be used to isolate z.Perform operation to isolate z: -20 ≤ z - 9 < -12 Solve for z. -20 + 9 ≤ z - 9 + 9 < -12 + 9 -11 ≤ z < -3

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Solve for $z$ . $\newline$ -20 \leq z - 9 < -12 $\newline$ Express your answer as a compound inequality with integers.

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Algebra 1

Solve compound inequalities

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Q. Solve for

z

\newline

-20 \leq z - 9 < -12

\newline

Express your answer as a compound inequality with integers.

Identify operation for isolation: -20 \leq z - 9 < -12 $\newline$ Which operation should we use to isolate $z$ ? $\newline$ In $z - 9$ , $9$ is being subtracted from $z$ . $\newline$ Addition should be used to isolate $z$ .
Perform operation to isolate $z$ : -20 \leq z - 9 < -12 $\newline$ Solve for $z$ . $\newline$ -20 + 9 \leq z - 9 + 9 < -12 + 9 $\newline$ -11 \leq z < -3