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Chapter 1: Q67. (page 46)

Solve each equation. Check your solutions.

67. 8c+7=-4

Short Answer

Expert verified

The solution set of given equation is 鈭�.

Step by step solution

01

– Description of step.

For any real numbers p and q, where q鈮�0,

Case 1) if p=q then p=q or

Case 2) ifp=q then p=-q

02

– Description of step.

The given equation is 8c+7=-4. This statement is not true since, the absolute value of a real number is non-negative irrespective of its sign.

03

– Description of step.

The statement 8c+7=-4is not true and hence the solution is 鈭�.

Therefore, the solution set of given equation is 鈭�.

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