7th Grade: Expressions and Equations

7

-34 = -4m - 6

2

1 = -3 + 4p - 2p

9

10x - 11 - 4x = 43

2

12 - 7b + 10b = 18

5

14n + 2 - 7n = 37

2

15 = 2(q + 4) + 3

-9

19 = -3p - 8

2(x - 11)

2 times the difference of a number x and 11

x - 24

24 less than a number x

4

2n + 5 = 13

90

3 = u/6 - 12

9

3 ÷ n + 2m for n = 3 and m = 4

3

3(z - 1) + 8 = 14

13

3x - 2 for x = 5

4(x + 2)

4 times the sum of a number x and 2

5

4x - 3 for x = 2

19

4x - 5 for x = 6

-6

5(m - 2) + 36 = -4

5

5(y - 2) + 6 = 21

75

6 + y/5 = 21

2x - 6

6 less than two times a number x

10

6 ÷ a + 4b for a = 3 and b = 2

2x

6x - 4x

3

7n - 1 - 2n = 14

9x

7x + 2x

36

8 + m/4 = 17

140

9 = x/7 - 11

4

9c + 3 = 39

11

A new one-year membership at Vista Tennis Center costs $160. A registration fee of $28 is paid up front, and the rest is paid monthly. How much do new members pay each month?

x + 5

A number x increased by 5

6

Jamie rented a canoe while she was on vacation. She paid a flat rental fee of $85.00, plus $7.50 each day. Her total cost was $130.00. For how many days did she rent the canoe?

3x - 7

The difference of 3 times a number x and 7

20x

The product of 20 and a number x

x/4

The quotient of a number x and 4

x/9

The quotient of a number x and 9

4x + 2

The sum of 4 times a number x and 2

6

n ÷ 2 + n for n = 4

13

n ÷ 5 + 6m - 3 for n = 5 and m = 2

18

s ÷ 5 + s for s = 15