Answer
True
Work Step by Step
If we add A and B together, they should equal 10.
We have A = X and B = 10-X
So: A + B = X + 10 - X = 10
Since their sum is 10, this statement is true.
Elementary Algebra
by Kaufmann, Jerome; Schwitters, Karen;
Published by
Cengage Learning
ISBN 10:
1285194055
ISBN 13:
978-1-28519-405-9
Chapter 3 - Equations and Problem Solving - 3.5 - Problem Solving - Concept Quiz 3.5 - Page 130: 3
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