Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Appendix - Extra Word Problems - Page 523: 1



Work Step by Step

Let the certain number here be $x$. Since seventeen added to a certain number is 33, we obtain: $17+x=33$ Now, solving the above equation, we obtain: $17+x=33$ $17+x-17=33-17$ $x=16$ Therefore, the unknown number is $16$.
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