Answer
$102$
Work Step by Step
We simplify using the order of operations:
Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction
$$ (-4)(5) + (-6)(-4) -7(-4) \div 2(7)=-20+24+28\div2(7)\\ =4+14(7)=4+98=102 .$$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 4 - Cumulative Review - Page 209: 4
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