解不等式组x-1+3x/2>-3,5x-12≤2(4x-3)
1个回答
x-1+3x/2>-3 5x-12≤2(4x-3)
2x-2+3x>-6 5x-12≤8x-6
5x>-4 5x-8x ≤-6+12
x>-5/4 -3x≤6
x ≥-2
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