2 1/15-3/4х=59/60
31/15-3/4х=59/60
-3/4х=59/60-31/15
-3/4х=59/60-124/60
-3/4х=-65/60
х=-65/60:(-3/4)
х=65/60:3/4
х=13/9=1 4/9
Пошаговое объяснение:
2 1/15-3/4х=59/60
31/15-3/4х=59/60
-3/4х=59/60-31/15
-3/4х=59/60-124/60
-3/4х=-65/60
х=-65/60:(-3/4)
х=65/60:3/4
х=13/9=1 4/9
Пошаговое объяснение: