Quiz Two Pre-Algebra

Adding One-Step

100

x-17=43

x=60

200

x-1345=294

x=1639

300

x-52=49

101

400

x-39=11

x=50

500

x-14=-13

x=1

Subtracting One Step

100

x+12=-14

x=-26

200

x+13=-145

x=-158

300

x+12=24

x=12

400

x+(-13)=24

x=37

500

x-(-12)=27

15

Multiplying One-Step

100

x/8=64

512

200

x/(2/3)=12

8

300

x/(1/2)=42

21

400

x/90=640

57600

500

x/12=24

288

Dividing One Step

100

4x=12

3

200

15x=160

10 2/3

300

32x+15x=94

x=2

400

4(x+2x)=24

2

500

17x(4)=272

4

One Step with Decimals

100

4.8x=9.6

2

200

2.8-x=42

44.8

300

3x=9.6

3.2

400

x/4.8=10

48

500

2x=5

x=2.5