## Thinking Mathematically (6th Edition)

$-\dfrac{23}{7}$
RECALL: $a\frac{b}{c} = \dfrac{ca+b}{c}$ Use the formula above to find: $-3\frac{2}{7} = -(3\frac{2}{7})=-\frac{7(3)+2}{7}=-\frac{23}{7}$