Question

Плизз помогите решить уравнение
ДАМ 20 балов
Уравнение номер 4

Answer 1

Ответ: (4,5; 6,5)

Объяснение:

$\left \{ {{3(2x+13)-2(x+2)>10x-4,} \atop {3(4x+9)-2(x-1)<16x+2;}} \right. \\ \\ \left \{ {{6x+39-2x-4>10x-4,} \atop {12x+27-2x+2<16x+2;}} \right.\\ \\\left \{ {{4x+35>10x-4,} \atop {10x+29<16x+2;}} \right.\\ \\\left \{ {{4x-10x>-4-35,} \atop {10x-16x<2-29;}} \right.\\ \\\left \{ {{-6x>-39,} \atop {-6x<-27;}} \right.\\ \\\left \{ {{x<\frac{39}{6},} \atop {x>\frac{27}{6} ;}} \right.\\ \\\left \{ {{x<\frac{13}{2},} \atop {x>\frac{9}{2}.}} \right.\\ \\ OTBET:(\frac{9}{2};\frac{13}{2})$