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Chapter 2: Q. 97 (page 128)

The sum of two numbers is 20. One number is four less than the other. Find the numbers.

Short Answer

Expert verified

The two numbers are 12 and 8.

Step by step solution

01

Step 1. Given Information

The sum of two numbers is 20. One number is four less than the other.

02

Step 2. Forming linear equation

Let one number bexand other will bex-4.Then,

Sum=20

x+x-4=20

03

Step 3. Finding numbers

2x-4=202x=20+42x=24x=12,othernumber=x-4=8

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