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Chapter 1: Q 39. (page 21)

In the following exercises, simplify the following expressions by combining like terms.

10a+7+5a-2+7a-4

Short Answer

Expert verified

22a+1

Step by step solution

01

Step 1. Given Information

The given expression is10a+7+5a-2+7a-4.

02

Step 2. Combine the like terms.

  • Since 10a, 5a, 7a are like terms and 7, 2, 4 are like terms, rewrite the given expression by grouping the like terms.
  • Combine the like terms by applying the order of operation.
  • 10a+5a+7a+7-2-4=22a+7-6=22a+1
03

Step 3. Conclusion.

The simplified expression is22a+1.

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