Question

4.6
А)5/9х-7/4х+17/18х=-1/4
Б)1/6х-0,82=3/8х-1,37
Решите и расспешите

Answer 1

а)
5/9х-7/4х+17/18=-1/4
20/36х-63/36х=-9/36-34/36
-43/36х=-43/36
х=43/36÷43/36
х=1
б)
1/6х-0,82=3/8х-1,37
4/24х-9/24х=0,82-1,37
-5/24х=-55/100
х=55×24/100×5
х=2 16/25