## Elementary Algebra

Published by Cengage Learning

# Chapter 2 - Real Numbers - 2.3 - Real Numbers and Algebraic Expressions - Problem Set 2.3: 77

2.2

#### Work Step by Step

We evaluate the expression by substituting the values $x=-2$ and $y=6$ in the expression, $0.7x+0.6y$ =$0.7(-2)+0.6(6)$ =$-1.4+3.6$ =$2.2$

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