Chapter 5 - Section 5.2 - Simplifying Algebraic Expressions - Exercise: 16

$-9x+7-3z-3w$

Work Step by Step

To remove parentheses when preceded by a minus sign you must change the sign of each term within the parentheses and drop the leading minus sign. Parentheses preceded by a plus sign (or implied plus sign) can be removed without changing the terms within the parentheses.

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