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5(2x + 2) ≥ 15x - 3(2 - x)
10x + 10 ≥ 15x - 6 + 3x
10x - 15x - 3x ≥ - 6 - 10
- 8x ≥ - 16
8x ≤ 16
x ≤ 16/8
x ≤ 2
x ∈ ( - ∞ , 2>