Review of Variables
Evaluating expressions with one variable - Questions
Answers
1. Let's substitute \(12\) for \(n\).
\(\frac{n}{6} + 2 \)
= \(\frac{12}{6} + 2 \)
= \( 2 + 2 \)
= \(4\)
2. Let's substitute \(3\) for \(x\).
\(6 + x\)
= \( 6 + 3\)
= \(9\)
3. Let's substitute \(3\) for \(k\).
\(\frac{15}{k} \)
= \(\frac{15}{3}\)
= \(5\)
4. Let's substitute \(5\) for \(g\).
\(4g - 12 \)
= \(4(5) - 12 \)
= \( 20 - 12\)
= \(8\)
5. Let's substitute \(12\) for \(j\).
\(\frac{j}{4} \)
= \(\frac{12}{4} \)
= \(3\)
6. Let's substitute \(7\) for \(c\).
\( c - 2\)
= \( 7 - 2\)
= \(5\)
7. Let's substitute \(4\) for \(S\).
\( 9 - \frac{8}{S}\)
= \( 9 - \frac{8}{4}\)
= \( 9 - 2\)
= \(7\)