Solving One-Step Equations

This tutorial covers solving one-step equations using addition and subtraction. It begins with an introduction to the concept, followed by examples of solving equations by performing inverse operations. The tutorial includes solving equations with both positive and negative numbers and emphasizes the importance of checking solutions. Alexandra assists in demonstrating subtraction equations, highlighting the process of turning subtraction into addition and handling double negatives.

What is the first step in solving a one-step equation using addition or subtraction?

• Subtract a constant from both sides

• Add a constant to both sides

• Perform the inverse operation on both sides

• Perform the same operation on both sides

In the equation n + 18 = 35, what operation should be performed to isolate n?

• Subtract 18 from both sides

• Add 18 to both sides

• Multiply both sides by 18

• Divide both sides by 18

After solving n + 18 = 35, what is the value of n?

• 35

• 53

• 18

• 17

How can you verify the solution to the equation n + 18 = 35?

• By multiplying the solution by 18

• By substituting the solution back into the equation

• By subtracting 18 from the solution

• By adding 18 to the solution

In the equation n - (-19) = -23, what operation should be performed to solve for n?

• Add -19 to both sides

• Subtract 19 from both sides

• Add 19 to both sides

• Subtract -19 from both sides

What is the value of n in the equation n - (-19) = -23?

• -23

• 23

• 4

• -4

How can you check the solution for the equation n - (-19) = -23?

• By adding -19 to the solution

• By subtracting -19 from the solution

• By multiplying the solution by -19

• By substituting the solution back into the equation

What is the first step in solving a subtraction problem according to Alexandra?

• Convert subtraction to addition

• Convert addition to subtraction

• Multiply both sides by a constant

• Divide both sides by a constant

In the equation n - 12 = 28, what operation should be performed to solve for n?

• Add 12 to both sides

• Subtract 12 from both sides

• Multiply both sides by 12

• Divide both sides by 12

What is the value of n in the equation n - 12 = 28?

• 40

• 12

• 16

• 28