College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter P - Prerequisites: Fundamental Concepts of Algebra - Exercise Set P.1: 2


Evaluate the expression for the given value of the variable $8+6x$, for $x=5$ $=8+6(5)$ $=8+30$ $=38$

Work Step by Step

To evaluate an expression for a given value, substitute the given value for the variable in the expression and then solve. For this problem, substitute 5 for the 'x'. As the 'x' is right next to the number 6, it is implied that the two are multiplied together. The order of operations indicates that multiplication comes before addition, so first multiply the 5 and 6, then add 8 to the product.
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