Question: Make the given changes in the indicated examples of this section, and then solve the resulting problems. In Example 8(a), change the sign before (2b

Make the given changes in the indicated examples of this section, and then solve the resulting problems.

In Example 8(a), change the sign before (2b − c) from + to −.


Data from Example 8(a)

3c + (2b − c) = 3c + 2b − c = 2b + 2c

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