One fourth of a number is 20 less than the number itself. Form an equation.

Solution:

Let the number be x

Then one fourth of the number be x/4

This is expressed in the form of linear equation as x/4 = x – 20

Thus, one fourth of a number is 20 less than the number itself can be expressed as x/4 = x – 20.

✦ Try This: Half of a number is 7 more than the number itself. Form an equation.

Let the number be x

Then half of the number be x/2

A/Q

x/2 = x + 7

Thus, half of a number is 7 more than the number itself can be expressed as x/2 = x + 7.

☛ Also Check: NCERT Solutions for Class 7 Maths Chapter 4

NCERT Exemplar Class 7 Maths Chapter 4 Solved Ex 11

One fourth of a number is 20 less than the number itself. Form an equation

Summary:

Thus, one fourth of a number is 20 less than the number itself can be expressed as x/4 = x – 20.

☛ Related Questions:

• On subtracting 13 from 3 times of a number, the result is 8. Form an equation
• Two times a number increased by 5 equals 9. Form an equation
• 9 added to twice a number gives 13. Find the number