Question

evaluate the following. (a) $|-7 + 4| = \square$ (b) $|-7| + 4 = \square$

Explanation:

Step1: Solve inside absolute value

$|-7 + 4| = |-3|$

Step2: Compute absolute value

$|-3| = 3$

Step3: Compute absolute value first

$|-7| + 4 = 7 + 4$

Step4: Add the two values

$7 + 4 = 11$

Answer:

(a) $3$
(b) $11$