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Chapter 1: Q49. (page 25)

Solve each equation. Check your solution.

3f-2=4f+5

Short Answer

Expert verified

The required answer is-7.

Step by step solution

01

Step 1- Isolate the variable f

Perform addition of 2 and subtraction of 4fon both the sides of the equation.

3f鈭�2+2鈭�4f=4f+5+2鈭�4f鈭�f=7

Perform division of-1 on both the sides of the equation

鈭�f鈭�1=7鈭�1f=鈭�7

02

– Check the obtained value 

Substitute the obtained value of f into the original equation and perform simplification for checking.

3鈭�7鈭�2=?4鈭�7+5鈭�21鈭�2=?鈭�28+5鈭�23=鈭�23

03

Step 3- Make the conclusion

As the checking results in equal values on both the sides on substation of obtained value which means that obtained value is correct.

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