Ответ: -2 4/7.
Пошаговое объяснение:
1/3 х+1= -1/4(х+4/5);
1/3 х+1= -1/4х-4/20;
1/3 х+1= -1/4х-1/5;
1/3х+1/4х= -1/5-1;
4/12х+3/12х= -1 1/5;
7/12х= - 6/5;
х= -6/5:7/15;
х= -6/5*15/7;
х= -18/7;
х= -2 4/7.
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Answers & Comments
Ответ: -2 4/7.
Пошаговое объяснение:
1/3 х+1= -1/4(х+4/5);
1/3 х+1= -1/4х-4/20;
1/3 х+1= -1/4х-1/5;
1/3х+1/4х= -1/5-1;
4/12х+3/12х= -1 1/5;
7/12х= - 6/5;
х= -6/5:7/15;
х= -6/5*15/7;
х= -18/7;
х= -2 4/7.