Solving 2 Step Equations Effectively

The video tutorial discusses solving two-step equations using the do-undo table technique. It begins with an introduction to the concept and then explains the do-undo method in detail. Two examples are provided: one with variable Z and another with variable T, demonstrating how to apply the technique to solve equations. The tutorial emphasizes understanding inverse operations rather than mechanically applying steps.

What is the first step in the do-undo method for solving equations?

• Multiply by the coefficient

• Add a constant

• Subtract a constant

• None of the above

Tags

CCSS.HSA.REI.A.1

What operation is performed after multiplying by 5 in the equation with variable Z?

• Addition of 5

• Subtraction of 5

• Division by 5

• Multiplication by another 5

Tags

CCSS.HSA.REI.A.1

What is the result when you subtract 5 from 95 in the undo process?

• 95

• 100

• 90

• 85

Tags

CCSS.2.OA.A.1

What is the final solution for Z in the equation?

• 20

• 18

• 17

• 19

Tags

CCSS.7.EE.B.4A

What does the do-undo method help students understand better?

• Mechanical repetition

• Inverse operations

• Simple addition and subtraction

• None of the above

Tags

CCSS.HSA.REI.A.1

What is the initial operation performed on variable T in the equation?

• Multiplication by 7

• Subtraction of 1

• Division by 7

• Addition of 1

Tags

CCSS.HSA.REI.A.1

After dividing T by 7, what is the next step in the equation?

• Multiply by 7

• Subtract 1

• Add 1

• None of the above

Tags

CCSS.HSA.REI.A.1

What is the inverse operation of dividing by 7 in the equation with variable T?

• Multiplying by 7

• Subtracting 7

• Dividing by 7

• Adding 7

Tags

CCSS.HSA.REI.A.1

What is the result of 3 times 7 in the undo process for variable T?

• 22

• 21

• 20

• 19

Tags

CCSS.HSA.REI.A.1

What is the correct check for the solution of T?

• 21 / 7 + 1 = 2

• 21 * 7 - 1 = 2

• 21 - 7 / 1 = 2

• 21 / 7 - 1 = 2

Tags

CCSS.6.EE.B.5