2-1 Combine Like Terms to Solve Equations

WORKBOOK

100

4/5x - 1/4x = 11

x = 20

200

-0.65x+ 0.45x =5.4

x = -27

300

4/9x + 1/5x =87

x = 135

400

-3.8x - 5.9x = 223.1

x = -23

500

x + 0.15x = 3.45

x = 3

WORKBOOK

100

12.2z -13.4z = -179.2

x = 149.3

200

-1/4d -2/5d = 39

d = -60

300

-9.76d -(-12.81d) = 8.54

d =2.8

400

9.99s + 7.99s = 53.94

s = 3

500

p - 0.35p =130

p = 200

2-1 Practice

100

3/5x - 1/3x = 4

x =15

200

-0.69x + 0.49x = 4.6

x = -23

300

3/8x + 1/5x = 69

x = 120

400

-4/7x - 2/35x + 1/5x = -45

x = 105

500

7.6x - 2.1x =  88

x = 16

2-1 Lesson Quiz

100

5 1/2x + 2/3x = 37

x = 6

200

4x + 12x = 320

x = 20

300

3.5z – 2.7z = –6

z = -7.5

400

6 1/9x + 3 1/3x  = 28 1/3

x = 3

500

8.7x − 1.9x =  116.96

x = 17.2

2-1 Additional Practice

100

4/7x + 5/14x = 39

x = 42

200

−12.6x  − 4.9x = −154

x = 8.8

300

2.4x − 9.1x  +  12.5x    =  −39.44

x = -6.8

400

- 5/6x - 1/9x = -102

x = 108

500

5/11x + 2/3x - 1/6x = -189

x = -198