Answer:
1/4x + 5/3x - 4 = 2 - 1/12x tile (3)
3.2b - 4.7 = 3b - 3.3 tile (7)
4.6y - y + 4 = y - 1.2 tile (-2)
7.5c - 2.5c + 8 = - 7 tile (-3)
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