Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Appendix A - Basic Algebra Review - A Exercises - Page A-15: 80



Work Step by Step

Step 1: $\frac{8+g}{2}-7=-4$ Step 2: Add 7 to both sides: $\frac{8+g}{2}-7+7=-4+7$. Step 3: $\frac{8+g}{2}=3$ Step 4: Multiply both sides by 2: $\frac{8+g}{2}\times2=3\times2$. Step 5: $8+g=6$ Step 6: Subtract 8 from both sides: $8+g-8=6-8$. Step 7: $g=-2$
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