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

Question:

In Example 4, change 2t − 7 to 7 − 2t and then solve.

Data from Example 4

Solve the equation 2t − 7 = 9.
We are to perform basic operations to both sides of the equation to finally isolate t on one side. The steps to be followed are suggested by the form of the equation.

Therefore, we conclude that t = 8. Checking in the original equation, we have

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Basic Technical Mathematics

ISBN: 9780137529896

12th Edition

Authors: Allyn J. Washington, Richard Evans

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

Question:

2t - 7 = 9 2t - 7+7= 9+7 2t = 16 21 16 2 2 t = 8

Step by Step Answer:

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Basic Technical Mathematics

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