Evaluate each expression. See Example 4. –9 – (1 – 10) Reference Example 4 Evaluate:...

Evaluate each expression. See Example 4.

–9 – (1 – 10)

Reference Example 4

Evaluate: –80 – (–2 – 24)

Strategy We will consider the subtraction within the parentheses first and rewrite it as addition of the opposite.

Why By the order of operations rule, we must perform all calculations within parentheses first.