Solving One-Step Equations with Decimals

This video tutorial reviews solving one-step equations involving decimals. It covers addition, subtraction, multiplication, and division operations to isolate variables. Through four examples, the tutorial demonstrates how to manipulate equations to find solutions, emphasizing the importance of performing opposite operations and aligning decimal points. The video concludes with a recap of the methods used to solve these equations.

What is the primary goal when solving one-step equations involving decimals?

• To make both sides of the equation equal zero

• To find the value of the variable

• To eliminate all decimals

• To convert the equation to fractions

In the equation X - 2.17 = 9.9, what operation is used to isolate X?

• Addition

• Multiplication

• Division

• Subtraction

What is the solution to the equation X - 2.17 = 9.9?

• X = 7.73

• X = 10.07

• X = 12.07

• X = 11.07

In the equation X + 4.93 = 0, what is the opposite operation of addition?

• Addition

• Multiplication

• Division

• Subtraction

What is the solution to the equation X + 4.93 = 0?

• X = 4.93

• X = 9.86

• X = -4.93

• X = 0

In the equation X / 1.2 = 4.7, what operation is used to isolate X?

• Addition

• Subtraction

• Multiplication

• Division

What is the solution to the equation X / 1.2 = 4.7?

• X = 4.64

• X = 3.92

• X = 5.64

• X = 5.74

In the equation 3.5X = 6.475, what operation is used to isolate X?

• Addition

• Subtraction

• Multiplication

• Division

What is the solution to the equation 3.5X = 6.475?

• X = 1.75

• X = 2.85

• X = 2.75

• X = 1.85

What is the decimal representation of the solution to 3.5X = 6.475?

• 2.15

• 2.05

• 1.85

• 1.95