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X = 20

X = 32

X = 7

25X - 625 = 0

6X - 3 = 39

3X + 6 = 15

X = -10

X = 3

8X - 32 = 0

7X + 5 = 47

5X + 4 = 104

X + 2 = 21

2X = 2

X = 6

2X + 30 = 94

X = 4

X = 25

X = 1

5X + 75 = 25

X = 19