Exploring Adding and Subtracting Rational Expressions

This video tutorial covers solving one-step equations and translating word problems into equations. It provides step-by-step solutions for various examples, emphasizing the use of inverse operations to isolate variables. The tutorial also highlights the importance of checking solutions and offers practice problems for reinforcement.

What is the first step in solving a one-step equation?

• Check the solution

• Determine the operation tied to the variable

• Locate the variable

• Use the inverse operation

In the equation 4x = 28, what operation should be used to isolate the variable?

• Multiplication

• Division

• Subtraction

• Addition

If you have the equation 25 = K + 12, what is the value of K?

• 25

• 12

• 13

• 37

In the equation R/5 = 2, what is the value of R?

• 5

• 10

• 2

• 7

What is the inverse operation of subtraction?

• Division

• Multiplication

• Addition

• Subtraction

In the equation 16 = 8P, what is the value of P?

• 4

• 16

• 8

• 2

What keyword represents the equal sign in the phrase 'the sum of a number and 7 is 16'?

• Number

• Is

• Sum

• And

How would you write the equation for '24 equals the product of a number and 8'?

• 24 = x/8

• 24 = 8 + x

• 24 = 8x

• 24 = x - 8

In the phrase '14 decreased from a number is 59', how should the equation be written?

• 14 - x = 59

• 59 - 14 = x

• x + 14 = 59

• x - 14 = 59

What is the value of x in the equation x/7 = 8?

• 56

• 7

• 8

• 49