Inverse Operations Review (so far)

Evaluate/Distribute/Combine

100

Evaluate x - 7

when x = 12

What is 5

200

Distribute 5(2y - 3)

What is 10y - 15

300

Distribute:  -2(3x - 9)

What is -6x + 18

400

Combine like terms:

-7y - 5 + 9y - 7

What is 2y - 12

500

Combine like terms:

2(6x + 4y + 6xy) - (7x - 6y - 4xy)

What is 5x + 14y + 16xy

One and Two-Step

100

x + 9 = -2

What is x = -11

200

7x + 13 = -22

What is x = -5

300

12 + 4x = 24

What is x = 3

400

-8x - 14 = 18

What is x = -4

500

4x - 12 = 7

What is x = 4.75

Multi-Step

100

3x - 2 - x = 8

What is x = 5

200

4(15 - y) - y = 15

What is y = 9

300

2(2.7y - 0.8) = 4.8

What is y ~ 1.2 (1.19)

400

-y + 15 = 2y - 6

What is y = 7

500

2(x + 3) - 4 = 3x + 8 -4x

What is x = 2

Algebraic Proportions

100

4/3 = x/6

What is x = 8

200

25/x = 5/3

What is x = 15

300

-10/8 = x/4

What is x = -5

400

(y - 3)/10 = 2/5

What is y = 7

500

(y - 4)/6 = (y - 7)/9

What is y = -2

Absolute Value Equations

100

|5x| = 40

What is x = {-8, 8}

200

|y + 3| = 8

What is y = {-11, 5}

300

|2x  + 3| + 8 = 5

What is NO SOLUTION

400

|-2x - 5| = 17

What is x = {-11, 6}

500

-10|2y + 6| - 3 = -83

What is y = {-7, 1}