Question

решите уравнение -5*(- 1 1/4)=3x-4 5/4

Answer 1

-5*(-5/4)=3х-21/4
25/4=3х-21/4
3х=25/4+21/4
3х=46/4
3х=23/2
х=23/2*1/3
х=23/6=3 5/6