Question

Find the value of the variable.

1. 
   

Short answer

The value of the variable is .

Step-by-step solution

Step 1. Subtract 5.

To find the value of the variable in the equation, subtract 5 from both sides of the equation.

Step 2. Collect like terms.

Remove all the brackets and collect the like terms.

Step 3. Simplify the equation.

To further simplify, combine the like terms.

Step 4. Verify the value.

In order to verify the value of a variable c, substitute 7 for into the equation .

Hence, the value of the variable is .