Solving two step equations I

Solving two step equations

by Omar Shishani

Multiple Choice

k - 10 = 7

• -3
• 3
• 17
• - 17

Multiple Choice

y + 8 = 20

• 10
• 11
• 12
• 13

Multiple Choice

Quick Check:

4x = 16

• x = 6

• x = 5

• x = 4

• x = 7

Multiple Choice

Quick Check: Find the value of the following equation:

$$\frac{x}{2}=4$$  

• x = 8

• x = 2

• x = -8

• x = -2

Multiple Choice

Quick Check: Find the value of the following equation:

$$-\frac{x}{2}=20$$  

• $$x\ =\ -40$$  

• $$x=40$$  

• $$x=10$$  
  

• x = Best!!!!

• $$x=-10$$  

Multiple Choice

• 2

• 3

• 4

• 5

Multiple Choice

• 5

• 6

• 7

• 8

Multiple Choice

• 1

• 2

• 3

• 4

Multiple Choice

• 1

• 2

• 3

• 4

Multiple Choice

• -6

• -7

• -8

• -9

Multiple Choice

• 8

• 8.5

• 9

• 9.5

Multiple Choice

• 10

• 11

• -10

• -11

Multiple Choice

• 1.5

• 2

• -1.5

• -2

The steps to solve two-step equations:

• Start with addition or subtraction

• Then the multiplication or division

Multiple Choice

Solve the following equations:

-4x + 5 = 21

• x = -3

• x = -4

• x = 4

• x = -6

• x = 3

Multiple Choice

Solve the following equations:

-2x - 5 = 5

• x = -5

• x = -4

• x = 5

• x = -6

• x = 3

Multiple Choice

Solve the following equations:

-2x - 5 = -5

• x = 0

• x = -4

• x = 5

• x = -6

• x = 3

Decimal numbers, NO Worries!!!

• Start with addition or subtraction

• Then multiplication or addition

Multiple Choice

Solve the following equation:

0.25x - 0.25 = 5

• x = 21

• x = 20

• x = 19

• x = 22

Multiple Choice

Solve the following equation:

0.75x + 0.25 = 3.75

• x = 4.66

• x = 4.55

• x = 4.44

• x = 4.77

Multiple Choice

Solve the following equation:

3.35x + 0.5 = 9.75

• x = 2.76

• x = 2.67

• x = 2.56

• x = 2.87