Explanation:
A.2x+3<5
2x<5+3
2x<7 or x<7/2
B.2x-3<5
2x<5-3
2x<2 or x<2
C.3-2x<5
-2×<5+3
-2x<7
-(-2x<7)
2x<-7 or x<-7/2
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