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3x<7+2 -4x-x <= -5-3 2(3)+3>5
x<3》A x >= 8/5 》A 2(4)+3>5 》B
24.2x+5=x+9 25. 3a+3=2a+6
2x-x=9-5 3a-2a=6-3
x=4 》C a=3 》B