Solving One-step Equations Part 2 with Math Antics

What is the most important rule to follow when rearranging an equation to solve for an unknown value?

• Do the same operation to both sides of the equation.

• Only change one side of the equation at a time.

• Always add numbers to both sides.

• Always multiply numbers to both sides.

Which pair of operations are considered inverse operations in algebra?

• Addition and multiplication

• Subtraction and division

• Multiplication and division

• Addition and subtraction

To solve the equation 5x = 20 for x, what operation should be performed on both sides of the equation?

• Add 5

• Subtract 5

• Multiply by 5

• Divide by 5

What is the value of x in the equation 7x = 42?

• 5

• 6

• 7

• 49

What is the value of x in the equation x / 2 = 3?

• 1.5

• 5

• 6

• 1

Solve for x: x / 10 = 15.

• 1.5

• 25

• 150

• 5

Which mathematical operation is explicitly stated in the video as NOT having the commutative property?

• Addition

• Multiplication

• Division

• Subtraction

What is the value of x in the equation 4 / x = 2?

• 8

• 2

• 0.5

• 4