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Chapter 2: Q2. (page 93)

Solve each equation. Check your solution.

12=鈭�7f鈭�9

Short Answer

Expert verified

The solution of the given equation f=鈭�3.

Step by step solution

01

Step 1. Isolate the variable.

12=鈭�7f鈭�9鈭�7f=12+9

02

Step 2. Solve the equation.

鈭�7f=21f=21鈭�7f=鈭�3

03

Step 3. Check the solution by putting the value of f into the given equation.

12=鈭�7f鈭�912=鈭�7(鈭�3)鈭�912=21鈭�912=12

Hence proved.

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