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proportions
equations
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100

Proportional or no


15 to 30 and 12 to 36

no

100

x+3=9

x=6

100

Combine like terms

3x+ 9 +4x

7x +9

100

Compare. Rewrite the entire expression

-3 _ -5

-3>-5

100
Rewrite as fraction

0.13

13/100

200

Proportional or no


24 to 3 and 48 to 6

yes

200

x-13=26

x=39

200

Combine like terms

14+3x +13 +8x + x

12x+27

200

Compare and Rewrite the entire expression

-9_ 13

-9< 13

200

Rewrite as a decimal

1/8

0.125

300

Proportional or no


72 to 9 and 81 to 9

no

300

5x=45

x=9

300

Distribute

3(4x+3)

12x+9

300

-4_ |3|

-4<|3|
300

Simplify

16/48

1/3

400

Complete the proportion

x/2 =75/50

x=3

400

x/10= 30

x=300

400

Distribute

5(x+10)

5x+50

400

42 _|-42|

=

400

Change into a mixed number

36/5

7 1/5

500

2/x =16/40

x=5

500

x/9= 18

x=162

500

Distribute and Combine like terms

3(2x+4) + 5x + 2


11x+14

500

10 +4 __ |-7| + 7

=

500

Change into an improper fraction

3 3/4

15/4