How to Solve Algebraic Expressions by Using Substitution and Order of Operations

The video tutorial explains how to solve algebraic expressions using the substitution method and the order of operations. It begins with simple expressions involving single variables and progresses to more complex expressions with multiple variables. The tutorial emphasizes the importance of substituting variables with their given values and following the order of operations to solve expressions accurately.

What is the result of substituting X with 20 in the expression X - 7?

• 23

• 17

• 27

• 13

If H is replaced with 6 in the expression 24 / H, what is the outcome?

• 5

• 4

• 3

• 6

When substituting A with 25 and B with 7 in the expression A + B, what is the result?

• 28

• 30

• 34

• 32

What is the simplified result of substituting H with 40 and K with 5 in the expression H / K?

• 6

• 12

• 8

• 10

In the expression 4 * 3 + 3^2 - 11, what is the final result after following the order of operations?

• 16

• 12

• 10

• 14