Solving 2-Step Equations: Find the Unknowns!

Maria has 15 apples. She gives some to her friend and now has 7 apples left. How many apples did she give away?

• 8

• 12

• 10

• 5

A book costs $12. If you have $20 and buy the book, how much money will you have left?

• $8

• $15

• $10

• $5

Tom is 4 years older than his sister. If his sister is x years old and Tom is 3 years younger than 15, what is the value of x?

• 10

• 8

• 6

• 12

A box contains 24 chocolates. If you eat 5 chocolates, how many chocolates are left in the box?

• 20

• 10

• 15

• 19

Lily has twice as many marbles as Jake. If Jake has x marbles and together they have 30 marbles, how many marbles does Jake have?

• 10

• 15

• 20

• 5

A store sells pencils for $2 each. If you buy x pencils and spend $10, how many pencils did you buy?

• 3

• 10

• 5

• 7

The temperature was 10 degrees in the morning. If it dropped by 5 degrees and then increased by 3 degrees, what is the final temperature?

• 3 degrees

• 6 degrees

• 10 degrees

• 8 degrees

A gardener planted 30 flowers. If he planted x flowers in the morning and 10 in the afternoon, how many flowers did he plant in the morning?

• 5

• 25

• 20

• 15

A movie ticket costs $8. If you have $50 and buy x tickets, how many tickets can you buy?

• 7

• 6

• 8

• 5

A recipe requires 2 cups of sugar. If you have x cups and use 1 cup, how many cups of sugar do you have left?

• x + 1

• x - 1

• 2 - x

• x - 2