9 added to twice a number gives 13. Find the number.

Solution:

Let the number be x

Then two times of the number be 2x

A/Q

2x + 9 = 13

2x = 13 – 9

x = 4/2

x = 2

Hence if 9 added to twice a number gives 13 then the number is 2.

✦ Try This: 12 added to thrice a number gives 27. Find the number.

Let the number be x

Then three times of the number be 3x

A/Q

3x + 12 = 27

3x = 27 – 12

x = 15/3

x = 5

Hence if 12 added to thrice a number gives 27 then the number is 5.

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

NCERT Exemplar Class 7 Maths Chapter 4 Solved Ex 14

9 added to twice a number gives 13. Find the number.

Summary:

Hence if 9 added to twice a number gives 13 then the number is 2.

☛ Related Questions:

• 1 subtracted from one third of a number gives 1. Find the number
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