Question

20БАЛЛОВ!!! За 2 уравнения!!!!
1)Х+1 7/9= 1/6 2)-7/15:У= -0.2

Answer 1

1) х+1 7/9=1/6
х=1/6-1 7/9
х=9/54-1 42/54
х=9/54-96/54
х=-87/54
х=-1 33/54
х=-1 11/18

2)-7/15:у=-0,2
-0,2у=-7/15
1/5у=7/15
у=7/15:1/5
у=7/15*5/1
у=7/3
у=2 1/3