Adding and Subtracting Expressions Word Problems

Philip is going to plant b sunflower seeds in one garden and 5b+10 sunflower seeds in another. How many seeds is Philip going to plant altogether?

Nina has x coins. Clayton has 5 fewer coins than six times the number of coins Nina has. Write an expression for the total number of coins Nina and Clayton have altogether. Then, simplify the expression.

Mr. Oles has a bank balance of -42 dollars at the start of the month. After he deposits 6 dollars, what is the new balance? 

• -48 dollars

• -36 dollars

• -34 dollars

• 7 dollars

An airline charges $(22x + 20) for a ticket, $(x + 1) to check a bag, $2x for food, and $(15x – 16) to upgrade to first class. Write an expression to represent the total cost of flying first class, checking a bag, and buying food on the plane.

• 39x + 4

• 39x + 5

• 40x + 5

• 40x + 37

Find the Sum: 
(5 - t) + (3t +2)

• 2t + 7

• 2t + 3

• -2t + 3

• -2t + 7

T-shirts cost 2x and jeans cost (4x – 5). Write an expression that represents the cost to buy three t-shirts and one pair of jeans. Then, simplify your expression.

• 3(2x) + (4x - 5), 9x - 5

• 3(2x) + (4x - 5), 10x - 5

• 2x + (4x - 5), 6x - 5

• 2x + (4x - 5), 8x - 10

Loy paid $(4x + 7) for a beef roast and $(2x – 5) for five pounds of potatoes. Write an expression for the total amount he spent on food.

• 6x + 2

• 6x + 11

• 8x - 35

• 8x + 35

Addison has 6x – 7 pairs of shoes while China has 2x + 3 pairs of shoes. How many more pairs of shoes does Addison have than China?    

• 8x - 4

• 8x + 10

• 4x - 4

• 4x - 10

A grasshopper has a length of (5x – 2) inches. A spider has a length of (2x – 1) inches. How much longer is the grasshopper?

• 3x - 1

• 3x - 3

• 7x - 3

• 7x + 3

The cost of a gallon of gasoline at Racetrack is (-2x + 3.5) and at Speedway it is (x - 1.2). How much more does gasoline cost at Speedway than at Racetrack?

• -3x + 4.7

• -3x + 2.3

• 3x + 2.3

• 3x - 4.7