Operations and Inverses in Algebra

This tutorial teaches how to solve one-step equations with rational numbers. It covers identifying variables, using inverse operations, and applying the property of equality. Examples include solving with fractions and decimals, and understanding multiplication and division with fractions.

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

• Use a calculator

• Check the final answer

• Determine the solution

• Identify the variable

What operation is used to eliminate a constant added to a variable?

• Subtraction

• Division

• Addition

• Multiplication

In the equation x + 7.2 = 5.3, what is the additive inverse of 7.2?

• 7.2

• 5.3

• -5.3

• -7.2

How do you enter a fraction in a calculator according to the tutorial?

• Use the division button

• Enter the numbers directly

• Use the green alpha button and y equals

• Press the fraction button

What is the additive inverse of -8.5?

• -8.5

• 8.5

• 1

• 0

What is the inverse operation of multiplication?

• Subtraction

• Division

• Reciprocal

• Addition

When dividing by a fraction, what operation should you perform?

• Add the fraction

• Subtract the fraction

• Divide by the reciprocal

• Multiply by the reciprocal