Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 7 Exponential and Logarithmic Functions - 7.5 Apply Properties of Logarithms - 7.5 Exercises - Mixed Review - Page 513: 78



Work Step by Step

Simplifying using the rules of radicals, we find: $$\sqrt{x+12}=7 \\ \left(\sqrt{x+12}\right)^2=7^2 \\ x+12=49 \\ x=37$$
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