Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Appendix A - Review - A.8 Solving Equations - A.8 Assess Your Understanding - Page A70: 16

Answer

$\dfrac{7}{5}$

Work Step by Step

Distribute $3$ on the left side of the equation to obtain: $$6 -3x = 2x - 1$$ Combine like terms by adding $3x$ to both sides first, then adding $1$ to both sides after: $$ 6 -3x +3x= 2x - 1+3x\\ 6=5x-1\\ 6+1=5x-1+1\\ 7=5x$$ Dividing both sides by $5$gives $$x=\frac{7}{5}$$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.