Lesson Steps:

3t + 36 = 69
Move like variables to one side, i.e., constants to one side and variables with t to the other.

3t = 69 - 36

Since we're taking 36 to the other side, change it's sign to negative.

3t = 33

Dividing both sides by common factor 3,

t = 11

Answer:

t = 11

Grade: 7
Level: Highschool
Subject: Math
Topic: Linear equations