equations

solving equations

100

2x + 5 = 19

x = 7

200

8x - 2 = -18

x = -2

300

x/3 + 7 = -1

x = -24

400

(x-7)/9 = -8

-65

500

-2(5x + 8) = 74

x = -9

writing equations

100

Allie purchased 5 muffins at the bakery. She had a coupon for $2 off and her total was $10.50. Write an equation to find the cost of each muffin.

5x - 2 = 10.50

200

Savannah pays $8.25 for a movie ticket and $4.50 for each item at the concession stand. Write an equation to determine the number of items Savannah purchased at the concession stand if she spent $21.75 in total at the movie theatre.

8.25 + 4.50x = 21.75

4.50x + 8.25 = 21.75

300

Mason keeps half of his baseball card collection then buys 5 more. Write an equation to find the number of baseball cards Mason originally had if he now has 23 baseball cards.

x/2 + 5 = 23

400

Mike had $10 to spend on $1.50 soft drinks. After buying them he had $1. Write an equation to find the number of soft drinks Mike purchased.

10 - 1.50x = 1

OR 

1.50x + 1 = 10

500

For her bakery, Sheri charges $55 for each cake and spends $40 in supplies. If she profited $290, write an equation to represent the number of cakes Sheri sold. 

55x - 40 = 290