Answer
20
Work Step by Step
To solve $y(x-3)$ if x=8 and y =4, plug the variables in.
$(4)((8)-3)$
Now, carry out the order of operations.
$(4*8) - (3)*(4)$
$32-12$
$20$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 1 - Section 1.8 - Introduction to Variables, Algebraic Expressions, and Equations - Practice - Page 77: 2
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