Question

(1-x)/4-(2+3x)/5-(4x-1)/6=7

Answer 1

Ответ:    -4 55/91.

Объяснение:

(1-x)/4-(2+3x)/5-(4x-1)/6=7  =>  НОК(4;5;6)=60=>

15(1-x) - 12(2+3x) - 10(4x-1) = 7*60;

15-15x-24-36x-40x+10=420;

-15x-36x-40x=420-15+24-10;

-91x = 419;

x=419: (-91) = -4 55/91.