Algebra 1 Chapter 2 Review

One-Step Equations

100

Remember to show your work - Solve: s + 6 = 48

What is s = 42?

200

Solve q - 15 = 49

What is q = 64?

300

Solve s/3 = 46.

What is s = 138?

400

Solve (2/6) y = 60.

What is y = 180?

500

If 3x = 21, find the value of 23 - 4x.

What is x = -5?

Two-Step Equations

100

4n - 2 = 10

n = 3

200

4a + 1 = -27

a = -7

300

4n - 1 = -17

n = -4

400

3 + x/4 = 4

x = 4

500

-4(-3 - 4x) = 76

x = 4

Variables on Both Sides

100

3n - n = -4 - 2n

n = -1

200

1 + 2b = b - 5 + 1 + 3

b = -2

300

4(1 + 4r) = 4 + 5r

r = 0

400

-5(x + 2) = 14 + x

x =  -4

500

4 - 3(-4n + 1) = 23 + n

n = 2

Proportions

100

6/9 = 7/(n-4)

n = 14.5

200

9/7 = 3/(k+5)

k = -2.67

300

4/(n-9) = 3/7

n = 18.33

400

8/2 = 10/(b-6)

b = 8.5

500

5/(k-9) = 6/3

k = 11.5

Percentages

100

What percent of 46 is 8?

17.4 %

200

28 is what percent of 56.3?

49.7 %

300

17% of what is 17?

100

400

7 is 18% of what?

38.9

500

95% of 30 is what number?

28.5