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DESIGULADADES ejercicios 1.11 del libro de soler

2

var (x) 2*x+(6-3*x)/4<4
5/4*x + 3/2 < 4
var (x) 4*(5/4*x + 3/2 )<4*4
5*x + 6 < 16

despejar x

5*x<16-6
5*x < 10
x<10/5
x < 2