Respuesta :

[tex]\\ \sf\longmapsto 11x+13x+10<150[/tex]

So

[tex]\\ \sf\longmapsto -150<11x+13x+10<150[/tex]

  • Parents gave you 300$

Add them on all sides

[tex]\\ \sf\longmapsto 150<23x+310<450[/tex]

Done

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