Algebra Section 1

1.1

100

x=8

x+4=

12

200

x=5

-x+8=

3

300

x=12

x+x+11=

35

400

x=10

x+2x+x=

40

500

x-3=-5

x=-2

Simplify

100

Simplify

8a - 6 + a - 1

9a-7

200

Simplify

-2y + 14- 9y + 5

-11y+19

300

Simplify

8d - 4 - d - 2

7d-6

400

Simplify

-7w-5-7W+ 9

-14w+4

500

Simplify

9a + 8 - 2a - 3 - 5a

2a+5

Misc.

100

3(x+1)+6=-9

x=-6

200

3w+7=19

w=4

300

11=12-q

q=1

400

10=7-m

-3

500

4(z+5)=32

z=3

1.7

100

15-2x=3x

x=3

200

5p-9=2p +12

p=7

300

8g+10=34+3g

g=5

400

3t+4=12+3t

No Solution

500

6d+8=14+3d

d=2

Word Problem

100

The sum of twice a number and 13 is 75

2n+13=75

n=31

200

The difference of 3 times a number and 4 is 19.

3n-4=-19

n=-5

300

The sum of twice a number and half the number is 10.

2n+1/2n=10

n=4

400

During the summer, you work 30 hrs per week at a gas station and earn $8.75/hr. You also work as a landscaper for $11/hr and can work as many hours as you want. You want to earn a total of $400 per week. How many hours must you work as a landscaper?

30(8.75)+11t=400

30(8.75)+11t=400

12.5 hrs

500

A cheetah that is running 90ft per second is 120ft behind an antelope that is running 60ft per second. How long will it take the cheetah to catch up to the antelope?

4 seconds