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Chapter 1: Q3 (page 10)

Find the value of the variable.

c-15=12

Short Answer

Expert verified

The value of the variable is c=17.

Step by step solution

01

Step 1. Add 5.

To find the value of the variable in the equation c-5=12, add 5 to both sides of the equation.

c−5+5=12+5

02

Step 2. Collect like terms.

Remove all the brackets and collect the like terms.

c−5+5=12+5

03

Step 3. Simplify the equation.

To further simplify, combine the like terms.

c−5+5=12+5c−0=17c=17

04

Step 4. Verify the value.

In order to verify the value, substitute 17 for c into the equation c-5=12.

17−5=1212=12True

Hence, the value of the variable is c=17.

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