若不等式(3a-2)x+2
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若不等式(3a-2)x+2
若不等式(3a-2)x+2
若不等式(3a-2)x+2
(3a-2)x+2
(3a - 2)x + 2 < 3
(3a - 2)x < 1
因为解集是x < 2
所以 3a - 2 > 0
x < 1/(3a - 2)
所以 1/(3a - 2) = 2
a = 5/6
(3a-2)x+2<3
(3a-2)x<1
x<1/(3a-2)
1/(3a-2)=2
a=5/6
(3a-2)x+2<3
(3a-2)x<1
两边除以3a-2,得到解集是x<2
所以1/(3a-2)=2
3a-2=1/2
a=5/6