Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 1 - Foundations for Algebra - 1-7 The Distributive Property - Practice and Problem-Solving Exercises - Page 50: 55



Work Step by Step

The expression 5t-7t can be simplified first by factoring out t, to reexpress it as t(5-7) which equals t(-2) which can be simplified down to -2t. Another way to go about simplifying this expression is to recognize the fact that 5t and -7t are like terms because the t terms are both raised to the same power (the first power). Therefore, we can simply subtract 7t from 5t to get -2t.
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