Topic 5

Solving equation using distributive property

100

2(x+5)=20

x=5

200

-2(3x x)=15

x=-10.5

300

1/2(x+13)=20

x=14

400

In solving the distributive property,what step do you use last.

Divison

500

Jaycee is selling jewelry,she pays $6 for beads,so far she spent $250 and has sold 13 pieces  how much each?

about $19.23

solving Inequalities using addition and subtraction

100

x-6>-16

x=-6

200

c+20≥40

c≥20

300

g-5<20

g<15

400

100>3+y

y<97

500

67<6+y

y>61

Solving Inequalities multiplication and divison

100

4x≥24

x≥6

200

-3x<18

x<-6

300

x/5≥-7

x≥-35

400

x/-8>3

x>-24

500

-3(2n-4)≤30

n≤-3

Solve two-step inequalities

100

7<25

7<25

200

4a+35≥39.5

a≥9

300

1/2n-8≤10

n≤36

400

1/4x-8 > 20

(greater than or equal to)

x>112

(greater than or equal to)

500

498.75+17.95a>658.35

a>8.89

multi step inequalities

100

12> 6(2+3x)

(greater than or equal to)

x<0

(is greater than or equal to)

200

2( 4y+7.2) >80

(is greater than or equal to)

7>8.2

(is greater than or equal to)

300

18(2-4n) > 320

is greater than or equal to

n< 3.94

is less than or equal to

400

dose the iequintey have a solution

no because 6.1 is not less than

500

the length of the rextangle is 5 inches the rextangle is less then 40 inches 

with is less than 15 inches