Equations

-3x + 8 = -1

• x = 5

• x = 3

• x = -5

• x = -3

-1x + 10 = 5

• x = 5

• x = 15

• x = -5

• x = -15

What is the first step to solve this equation:

 $11-3x=44$  

• Add 3 to both sides

• Subtract 11 from both sides

• Add 11 to both sides

• Divide 3 on both sides.

Solve for x:

• x = 20
• x = 7
• x = 10
• x = 3

What is 30c -12 ; when c=2

• 16

• 48

• 2

What is 6x + 2 ; When x = 2

• 14

• 12

• 3

What is x + x ; when x=3

• 8

• 43

• 6

Oceanside Bike Rental Shop charges a $14 fixed fee plus $7 an hour for renting a bike. Mary paid $70 to rent a bike. How many hours did she pay to have the bike checked out ?

• 70 - 14x = 7

• 14x + 7 = 70

• 7x + 14 = 70

• 14x - 7 = 70

Bridgette goes shopping for new jeans and shirts. She buys 1 pair of jeans for $22 and 3 shirts. Her total is $67. How much did each shirt cost?

• 1 + 22 = 3 + 67

• 22x + 3 = 67

• 67 = 22 + 3x

• 67 - 22x = 3

Jim paid a gym membership fee of $50, plus $20 per month.  Jim has paid a total of $290 to the gym.  Which equation matches this situation?

• 50 + 20m = 290
• 20 + 50m = 290
• 50 + 20 = m
• 50m - 20 = 290