# Chapter 1 - Section 1.4 - Properties of Real Numbers and Algebraic Expressions - Exercise Set: 55

$3xy-1.5x$

#### Work Step by Step

We are given the expression $.5x(6y-3)$. The distributive property holds that $a(b-c)=ab-ac$. $a=.5x$, $b=6y$, and $c=3$ $a(b-c)=.5x(6y)-.5x(3)=3xy-1.5x$

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