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Chapter 8: Q 167. (page 941)

Donald thinks that 3x+4xis72x. Is Donald correct? Explain.

Short Answer

Expert verified

Donald is not correct.

Step by step solution

01

Step 1. Given information.

Consider the given information.

3x+4xand72x

02

Step 2. Calculation.

As the expression have the same denomnator, so add them.

3x+4x=3+4x=7x

As the obtained result is not equal to the given result. Thus, Donald did perform the addition incorrect way. he added denominator not numerator.

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