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Chapter 2: Q. 87 (page 128)

The difference of a number and 12 is three. Find the number.

Short Answer

Expert verified

The number is 15.

Step by step solution

01

Step 1. Given information

The difference of a number and 12 is three.

02

Step 2. Forming linear equation

Let the number be x.

Then,x-12=3

03

Step 3. Solving the equation

x-12=3x=3+12x=15

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