Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 5 - Section 5.1 - Fundamental Operations - Exercise - Page 214: 32

Answer

$60$

Work Step by Step

We are given: $x=-3$, $y=4$, $z=6$ We take into account the order of operations: Parenthesis, Exponents, Multiplication/Division, Addition/Subtraction Thus, we have:$$ (2x+3y)(y+z)=(2(-3)+3*4)(4+6)\\ =(-6+12)10=6*10=60 .$$
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