Mastering Multi-Step Equations with Inverse Operations

The video tutorial covers solving equations using inverse operations, emphasizing the balance required in equations. It reviews the inverse operations for addition, subtraction, multiplication, and division. The tutorial provides a detailed example of solving an equation, checking the solution, and finding angle measures in a polygon. It concludes with a practice problem to reinforce the concepts.

What is the inverse operation of addition?

• Exponentiation

• Subtraction

• Division

• Multiplication

Tags

CCSS.2.NBT.B.5

If you have multiplication in an equation, what is the inverse operation?

• Multiplication

• Addition

• Subtraction

• Division

Tags

CCSS.HSA.REI.A.1

In the equation 3x + 25 / 2 = 23, which term should be eliminated first?

• 3

• 25

• 2

• x

Tags

CCSS.HSA.REI.A.1

After multiplying both sides by 2 in the equation 3x + 25 / 2 = 23, what is the resulting equation?

• 3x + 25 = 46

• 3x + 25 = 23

• 3x = 21

• x = 7

Tags

CCSS.HSA.REI.A.1

What is the final value of x in the equation 3x + 25 / 2 = 23?

• 5

• 6

• 7

• 8

Tags

CCSS.7.EE.B.4A

What is the sum of the angles in a polygon with five angles?

• 540 degrees

• 450 degrees

• 600 degrees

• 360 degrees

If angle 1 is B, angle 2 is B + 45, and angle 3 is 90 degrees, what is the value of B?

• 45

• 60

• 75

• 90

Tags

CCSS.7.G.B.5

What is the measure of angle 4 if B = 90?

• 135 degrees

• 180 degrees

• 90 degrees

• 225 degrees

Tags

CCSS.7.G.B.5

In the equation 5x - 3(x + 2) = -9, what is the first step to simplify the equation?

• Add 3 to both sides

• Subtract 2

• Distribute -3

• Divide by 5

Tags

CCSS.8.EE.C.7B

What is the final value of x in the equation 5x - 3(x + 2) = -9?

• 0

• -1

• 1

• 2

Tags

CCSS.8.EE.C.7B