Review for Equations Test

One-step equations

100

-3x = -24

x = 8

200

y - 12 = -10

y = 2

300

x/-5 = 20

x = -100

400

-14 = m - 38

m = 24

500

27 = x + 39

x = -12

Two-step equations

100

3x - 4 = 11

x = 5

200

17 = 3w - 4

w = 7

300

x/4 + 2 = 9

x = 28

400

16 = m/4 + 11

m = 20

500

8m + 17 = 49

m = 4

Distributive property

100

Simplify:

3(9x + 8)

27x + 24

200

Simplify:

4(7h - m)

28h - 4m

300

Simplify:

5(3x + 7y + 6x)

45x + 35y

400

Simplify:

11(3m - 4y) + 22m

55m - 44y

500

Simplify:

6(4w - 3x) + 8(7x + 5w)

64w + 38x

Algebraic translations

100

What is the answer to a multiplication problem?

Product

200

Translate:

Twice a number minus sixteen

2x - 16

300

Translate:

The sum of a number and seven is fourteen

x + 7 = 14

400

Translate:

The quotient of a number and five is eleven

x/5 = 11

500

Translate:

The difference between a number and eight is negative six.

x - 8 = -6

Surprise

100

What is the area of a square with a side of 4 inches?

16 square inches

200

Evaluate (no calculator):

0.85 + 1.7

2.55

300

What is the square root of 64?

8

400

The electrician earns $45 per hour.  She also charges a fee of $80 for every job.  If the electrician earns $215, how many hours does she work?

3 hours

500

Evaluate (no calculator):

-19 - (-7) + 2(-3)

-18