1) 3C_4^x-7x=4; x= ; 2) 5C_3^x+2x=11; x= ; 3) xA_3^xC_x^3-P_x=12; x= ; 4) P_xC_x^4-\dfrac{A_4^x}{x}=18; x= .
Задание

Реши уравнения

  1. \(3C\_4^x-7x=4\) ;

\(x=\) [ ];

  1. \(5C\_3^x+2x=11\) ;

\(x=\) [ ];

  1. \(xA\_3^xC\_x^3-P\_x=12\) ;

\(x=\) [ ];

  1. \(P\_xC\_x^4-\dfrac{A\_4^x}{x}=18\) ;

\(x=\) [ ].