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2x - 4 + 3x + 3 ≥ 11
5x - 1 ≥ 11
5x ≥ 11+2
5x ≥ 12
x ≥ 12/5
x ≥ 2 2/5
SOAL 2
8x - 12 - 5 ≤ 6x - 8
8x -6x ≤ -8+5+12
2x ≤ 9
x ≤ 9/2
x ≤ 4 1/2