Multiplication and Division Equations with Variables and Whole Numbers

What is the inverse operation you would use to solve:

6x = 36

• Multiply

• Divide

• Add

• Subtract

Solve the equation:

4p = 16

• p = 12

• p = -12

• p = -4

• p = 4

t ÷ 6 = 8

• 48

• 56

• 32

• 14

x/7 = 3

• x = 21
• x = 14 
• x = 35 
• x = 28 

What do you need to do to both sides to isolate the variable?

• Add 5

• Subtract 5

• Multiply by 5

• Divide by 5.

Mathematically, what is the 10 doing to the x?

10x = 90

• Adding 10

• Subtracting 10

• Multiplying 10

• Dividing 10

• k = 152
• k = 176
• k = 5
• k = 27

2n=100

• N=10
• N=50
• N=20

2( x + 9)

• 18x
• 9x
• 2x + 18

Solve the equation:
1/2x = 6

• x = 12
• x = -12
• x = 3
• x = -3