Problem 1

Solve for y in the equation y + 2 = 12

  
Procedure
Find a value when added to 2 is equal to 12.

 ? + 2 = 12
Solution

10  + 2 = 12

y = 10
Check

Evaluate y + 2 = 12 when y = 10

 10 + 2 = 12
12 = 12

This is a true equation