Solving Two-Step Equations: px + q = r

What is the first step in modeling a real-world problem with a two-step equation?

• Solve the algebraic equation.

• Describe the situation using key quantities and operations.

• Translate the verbal model into an algebraic equation.

• Define a variable for the unknown.

What does the 'and' keyword indicate in the context of forming equations?

• Addition

• Multiplication

• Division

• Subtraction

What variable did we use to represent the number of friends at Toya's party?

• T

• F

• P

• N

What operation does the word 'per' indicate in algebraic equations?

• Multiplication

• Subtraction

• Addition

• Division

How do you verify the solution of a two-step equation?

• Substitute the solution back into the original equation.

• Multiply the solution by the coefficient.

• Add the solution to the constant term.

• Divide the constant term by the solution.

How many friends did Toya have at her party?

• 5

• 8

• 6

• 7

What was the initial amount of water in Diego's aquarium in gallons?

• 302

• 312

• 320

• 330

What does the equation '302 - 5m = 10.5' represent in Example 2?

• The final amount of water in the aquarium.

• The rate at which water is drained from the aquarium.

• The initial amount of water in the aquarium.

• The amount of water added per minute.

How long did it take to drain the aquarium to 10.5 gallons?

• 5 minutes

• 3 minutes

• 4 minutes

• 6 minutes

What is the correct way to check if your solution to a two-step equation is accurate?

• Substitute the solution into the original equation and verify if it balances.

• Add the solution to the constant in the equation.

• Multiply the solution by the coefficient of the variable.

• Substitute the solution into another equation.