Use the commutative and associative properties to simplify the expression.
-$( - 4 + 2 x ) - 5$
A) $- 9 x - 5$
B) $12 x$
C) $- 9 + 2 x$
D) $20 + 2 x$

Question

Quizplus · Accepted Answer

The commutative property allows us to rearrange the addition and multiplication operations, and the associative property allows us to change the grouping of the numbers. Simplifying the given expression $(-4 + 2x) - 5$ directly gives $-4 - 5 + 2x$, which simplifies to $-9 + 2x$.

Use the Commutative and Associative Properties to Simplify the Expression (−4+2x)−5( - 4 + 2 x ) - 5(−4+2x)−5

Use the Commutative and Associative Properties to Simplify the Expression $( - 4 + 2 x ) - 5$