Elementary Technical Mathematics

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

Chapter 4 - Cumulative Review - Page 209: 4



Work Step by Step

We simplify using the order of operations: Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction $$ (-4)(5) + (-6)(-4) -7(-4) \div 2(7)=-20+24+28\div2(7)\\ =4+14(7)=4+98=102 .$$
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