Trigonometry (10th Edition)

Published by Pearson
ISBN 10: 0321671775
ISBN 13: 978-0-32167-177-6

Appendix A - Equations and Inequalities - Exercises - Page 416: 22

Answer

{$0$}

Work Step by Step

Step 1: $-8(3x+4)+6x=4(x-8)+4x$ Step 2: $-24x-32+6x=4x-32+4x$ Step 3: $-18x-32=8x-32$ Step 4: Adding 32 to both sides, $-18x-32+32=8x-32+32$ Step 6: $-18x=8x$ Step 7: Subtracting $8x$ from both sides, $-18x-8x=8x-8x$ Step 8: $-26x=0$ Step 9: Dividing both sides by $-26$, $x=0$ Check: Step 1: Substituting the answer into the equation: $-8(3(0)+4)+6(0)=4(0-8)+4(0)$ Step 2: $-8(0+4)+0=4(-8)+0$ Step 3: $-8(4)=4(-8)$ Step 4: $-32=-32$ Step 5: $0=0$ Since the result checks, the solution set of the equation is {$0$}.
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