Math 7 Final Exam Review

Integers

100

Find the sum:    - 6 + 5

- 1

200

Find the quotient:  - 72 / - 8

9

300

Simplify: - 13 - (- 2)

-11

400

Simplify:   15 - 3(7 - 9)

21

Fractions

100

Multiply:  1/2 x 4/5

2/5

200

Add:   -7/8 + 3/4

-1/8

300

Subtract:   2/7 - 2/3

-8/21

400

Divide:   -27  / -3/4

36

Expressions

100

Translate:  the sum of a number and eight

x + 8

200

Translate:  Twice a number subtracted from 5

5 - 2x

300

Combine like terms to simplify the expression:

    -2x - 8 - 4x + 3

- 6x - 5

400

Simplify the expression:

   x - 3(2x + 4)

- 5x - 12

Equations

100

Solve. (you must show work)

    x - 5 = - 22

- 17

200

Solve.

  - 2x + 6 = - 14

10

300

x/3 + 4 = - 8

- 36

400

-3(x + 6) = 12

x = - 10