5x+ 4/6 ≥ 7/8 -1-x/3

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5x+4/6≥7/8-1-x/35x+4/6≥7/8-1-x/35x+4/6≥7/8-1-x/3两边乘65x+4≥21/4-2+2x3x≥-3/4x≥-1/4

5x+ 4/6 ≥ 7/8 -1-x/3
5x+ 4/6 ≥ 7/8 -1-x/3

5x+ 4/6 ≥ 7/8 -1-x/3
两边乘6
5x+4≥21/4-2+2x
3x≥-3/4
x≥-1/4

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