WRITING ALGEBRAIC EQUATIONS
OPPOSITE
ABSOLUTE VALUE
100

A number increased by nine

y + 9

100

8.3

-8.3

100

|−5|

5

200

The quotient of thirty-nine and a number

39/x

200

-6

6

200

|10|

10

300

Twice a number

2x

300

8.8

-8.8

300

-|8|

-8

400

Suzanne made a withdrawal of d dollars from her savings account. Her old balance was $350

350 - d

400

-0.65

0.65

400

|−4|

4

500

Helen has 2 inches of hair cut off each time she goes to the hair salon. If h equals the length of hair before she cuts it and c equals the length of air after she cuts it, which equation would you use to find the length of Helen's hair after she visit the hair salon?

 h − 2

500

2

-2

500

-|27|

-27

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