#### Answer

3n - 7

#### Work Step by Step

"Three" = 3
"times" = *
"a number" = n
"decreased by" = -
Therefore, "Three times a number decreased by 7" translates to 3*n - 7 = 3n - 7

Published by
Pearson

ISBN 10:
0321726391

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

3n - 7

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