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Chapter 1: Q2 (page 10)

Find the value of the variable.

2.8+c=13

Short Answer

Expert verified

The value of the variable is c=5.

Step by step solution

01

Step 1. Subtract 8.

To find the value of the variable c in the equation 8+c=13, subtract 8 from both sides of the equation.

8+c-8=13-8

02

Step 2. Collect like terms.

Remove all the brackets and collect the like terms.

c+8鈭�8=13鈭�8

03

Step 3. Simplify the equation.

To further simplify, combine the like terms.

c+8鈭�8=13鈭�8c鈭�0=5c=5

04

Step 4. Verify the value.

In order to verify the value, substitute 5 for c into the equation 8+c=13.

8+5=1313=13True

Hence, the value of the variable is c=5.

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