Write two-step equations

There were 331 students that went on a field trip. Six buses were filled and 7 students traveled in a van. How many students were on each bus?

• 6 + 7x = 331

• 6x + 7 = 331

• 331 - 6x = 7

• 6x + 7y =331

Javari bought a soft drink for $4.00 and 7 candy bars. He spent a total of $18.00. How much did each candy bar cost?

• 4x + 7 = 18

• 18x + 4 = 7

• 7x + 4 = 18

• 4x + 18 = 7

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

• 7x + 14 = 70

• 70 - 14x = 7

• 14x + 7 = 70

• 14x - 7 = 70

Coby was getting rid of some baseball cards. He had 68 cards and gave 2 to each of his friends. He was left with 16. How many friends did he give cards to?

• 16x + 2 = 68

• 68 + 2x = 16

• 8 + 16x = 68

• 2x + 16 = 68

Zuri rents a bike and pays $40. There was a deposit of $22 and then $6 per hour. How many hours did she rent the bike?

• 40 + 22 = 6x

• 6 + 22x = 40

• 6x + 22 = 40

• 40 - 22x = 6

Daphney 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

• 67 = 22 + 3x

• 22x + 3 = 67

• 67 - 22x = 3

Hannah has $50 to spend at Best Buy. She wants to buy a DVD for $14 and some CDs that cost $12 each. How many CDs can she buy?

• 12 + 14x = 50

• 50 - 14 - 12 = x

• 12x + 14 = 50

• 50x + 12 = 14

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

• 50 + 20m = 290

• 50 + 20 = m

• 20 + 50m = 290

• 50m - 20 = 290