Answer
x = 11
Work Step by Step
2(x - 4) = x + 3
Apply distributive property:
2(x) + 2(-4) = x + 3
2x - 8 = x + 3
Subtract x from both sides:
x - 8 = 3
Add 8 to both sides:
x = 11
Check with substitution:
2(11 - 4) = 11 + 3
2(7) = 14
14 = 14
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 2 - Section 2.1 - The Additon Property of Equality - Exercise Set - Page 100: 31
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