Math 7A

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Fractions

100

a - 7 = 10

a = 3

100

2x -1 = 9

x = 5

100

1/2x = 6

x = 12

200

2x = 10

x = 5

200

-x + 3 = 13

x = -10

200

3/2x = 9

x = 6

300

-3x = 9

x = -3

300

3x + 5 = 11

x = 2

300

1/2x - 1 = 9

x = 20