Exploring Adding and Subtracting Rational Expressions

This video tutorial covers solving one-step equations using inverse operations. It begins with a review of inverse operations and proceeds to solve equations using subtraction, addition, division, and multiplication. The tutorial emphasizes integer rules and the importance of maintaining balance by performing operations on both sides of the equation. Each example is checked for accuracy, reinforcing the concept of solving for the variable.

What is the inverse operation of addition?

• Multiplication

• Division

• Subtraction

• Addition

If you have the equation 15 + a = -11, what is the value of 'a'?

• -26

• 26

• -4

• 4

What operation should you use to isolate the variable in the equation -4 = -18 + y?

• Addition

• Subtraction

• Division

• Multiplication

In the equation -4 = -18 + y, what is the value of 'y'?

• 22

• -22

• 14

• -14

What is the inverse operation of multiplication?

• Division

• Multiplication

• Addition

• Subtraction

If you have the equation 6.4n = 46.8, what is the value of 'n'?

• 0.72

• 72

• 7.2

• 0.072

What operation is used to isolate the variable in the equation -60 = r / 1.2?

• Addition

• Division

• Subtraction

• Multiplication

In the equation -60 = r / 1.2, what is the value of 'r'?

• -50

• 50

• -72

• 72

When solving equations, what should you do to both sides of the equation?

• Subtract the same number

• Add the same number

• Multiply by the same number

• Perform the same operation

What is the result of dividing -72 by 1.2?

• -60

• 60

• -6

• 6