Understanding One-Step Equations with Addition and Subtraction

The video tutorial from MooMoo Math explains how to solve one-step equations using addition and subtraction. It begins with a quick solution to the equation x - 5 = 7, followed by a detailed breakdown of the steps involved. The tutorial then addresses solving equations with signed numbers, such as x - 2 = -10, and emphasizes the importance of performing the same operation on both sides of the equation. The video concludes with a verification of the solutions to ensure accuracy.

What is the first step in solving the equation x - 5 = 7?

• Divide both sides by 5

• Multiply both sides by 5

• Add 5 to both sides

• Subtract 5 from both sides

Tags

CCSS.6.EE.B.7

After adding 5 to both sides of the equation x - 5 = 7, what is the value of x?

• 12

• 7

• 10

• 5

Tags

CCSS.6.EE.B.7

In the equation x - 2 = -10, what operation should be performed to isolate x?

• Multiply both sides by 2

• Add 2 to both sides

• Subtract 2 from both sides

• Divide both sides by 2

Tags

CCSS.6.EE.B.7

What is the result of adding 2 to both sides of the equation x - 2 = -10?

• x = 12

• x = 8

• x = -12

• x = -8

Tags

CCSS.6.EE.B.7

When solving x - 2 = -10, what is the result of -10 + 2?

• -12

• -8

• 8

• 12

Tags

CCSS.6.EE.B.7

What is the correct solution for the equation x - 2 = -10?

• x = -8

• x = -12

• x = 8

• x = 10

Tags

CCSS.7.NS.A.1C

What is the result of adding numbers with different signs, such as -10 and 2?

• Add the numbers and keep the sign of the larger number

• Subtract the numbers and keep the sign of the larger number

• Add the numbers and keep the sign of the smaller number

• Subtract the numbers and keep the sign of the smaller number

Tags

CCSS.6.EE.B.5

How can you verify the solution of x = 12 for the equation x - 5 = 7?

• By checking if 12 * 5 equals 7

• By checking if 12 + 5 equals 7

• By checking if 12 - 5 equals 7

• By checking if 12 / 5 equals 7

Tags

CCSS.8.EE.C.7B

What is the purpose of verifying solutions in equations?

• To change the equation

• To simplify the equation

• To ensure the solution is correct

• To find a new solution

Tags

CCSS.6.EE.B.5

What is the result of verifying the solution x = -8 for the equation x - 2 = -10?

• It changes the solution to x = 10

• It confirms the solution is incorrect

• It changes the solution to x = 12

• It confirms the solution is correct

Tags

CCSS.6.EE.B.5