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how to find solution set for 2b+1/2<3 if replacement set is{1/2,3/4,1,5/4,3/2,7/4}

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In order to find a solution set, plug in the values of the replacement set into b, one by one, for example 2b+1/2<3, when you plug in 1/2, we get 2(1/2)+1/2<3 which is 1+ 1/2<3 which is true as 1.5<3, so 1/2 is ur 1st answer of  the solution set, now do the same for 3/4, 1, 5/4, 3/2, 7/4