2-2 Envision Problems

2-2 Workbook

100

1 − x = 16 − 4x

x = 5

200

550 - 25x = 10 + 15x + 20x

x = 9

300

6 - 4x = 6x - 8x +2

x = 2

400

6 - 6x = 5x - 9x -2

x = 4

500

5/3x + 1/3x = 13 1/3 + 8/3x

x = -20

2-2 Practice

100

x + 3 = −6 + 4x

x = 3

200

3x + 15 = 4x + 12

x = 3

300

5.3g + 9 = 2.3g + 15

g = 2

400

-2/5x +3 = 2/3x +1/3

x = 5/2 or 2.5

500

-2.6b + 4 = 0.9b - 17

6

2-2 Practice

100

4 + 6x = −3 + 7x

x = 7

200

3v + 2 = 4v + 4

v = -2

300

−13 + n + 5 + 6 = 5 + 4n − 4

n = -1

400

−12 − 4b = 4 − 2b

b = -8

500

3n − 15 = 7n + n

n = -3

2-2 Lesson Quiz

100

24 + 0.44x = 19 + 1.69x

x = 4

200

12x + 10 = 54 - 10x

x = 2

300

75 - 3.5y - 4y = 4y + 6.

y = 6

400

−3 + 5a = 4a − 10

a = -7

500

−2k = k − 7 − 8

k = 5

2-2 Additional Practice

100

6.4n − 10 = 4.4n + 6

n = 8

200

150 − x − 2x = 120 + 2x

x = 6

300

−16 + 3n = −8 − 5n

n = 1

400

4n − 1 = 6n + 8 − 8n + 15

n = 4

500

1 − 3x = 3x + 1

x = 0