#### Answer

3 is a solution.

#### Work Step by Step

7x - 3 = 18
Substitute 3 as x and solve the equation:
7(3) - 3 = 18
21 - 3 = 18
18 = 18
True, so 3 is a solution to the equation.

Published by
Pearson

ISBN 10:
0321726391

ISBN 13:
978-0-32172-639-1

3 is a solution.

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