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Question

Solve each of the following system of equations in R.

20. −5 < 2x − 3 < 5

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Solution

-5<2x-3<5-5+3<2x<5+3 Adding 3 throughout-2<2x<8-1<x<4 Dividing throughout by 2x-1,4

Hence, the interval (-1,4) is the solution of the given set of inequaltions.

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