Unit 3 Review

One-Step Equations

100

x + 9 = 14

x = 5

200

-17x = 34

x = -2

300

Triple a number is -30

n = -10

400

-4.6d = 21.62

d = -4.7

500

The product of a number and -8 is 72

x = -9

Two-Step Equations

100

5 + 8p = 77

p = 9

200

m/3 + 2 = 0

m = -6

300

2 = (5+m)/ 6

m = 7

400

(k/8) - 1 = -3

k = -16

500

The sum of negative three and a number, divided by seven, is negative two.

(-3 + n)/7 = -2

Multi-Step Equations

100

-4x - 6x = -20

x = 2

200

-1 = -3(3r - 8) -7

 r = 2

300

-4(-6y - 3) = 12

y = 0

400

6a - 2(4a - 5) = 40

a = -15

500

8(2c + 3) - 9(c-2) = -7

c = -7

One-Step Inequalities

100

a - 5 < -1

a < 4

200

p/5 <-4

p < -20

300

r/-2 ≥ -5

r ≤ -10

400

7 > k + 12

k < -5

500

-54 ≤ -6c

c ≤ 9

Two-Step Inequalities

100

2x + 9 > 29

x > 10

200

-3r - 7 ≥ -4

r ≤ -1

300

^(k-7)/₄ > -5

k > -13

400

Eight plus one fourth of a number is less than or equal to six

8 + ¹/₄n ≤ 6

500

You guys are putting on a fundraising dance. You paid $347 to rent a place for the dance. You plan to sell tickets for $12 each. How many tickets will you need to sell if you want to make more than $853.

n ≤ 100 tickets