37-x/0.2=36 2/3
37-5x=36 2/3
-5x=-1/3
x=-1/3 * 1/5=-1/15
37-х:0,2=36 2/3
-х:0,2=36 2/3-37
-х:0,2=-1/3
-х=-1/3*0,2=-1/3*2/10
-х=-15
х=15
37-x/0.2=36 2/3
37-5x=36 2/3
-5x=-1/3
x=-1/3 * 1/5=-1/15
37-х:0,2=36 2/3
-х:0,2=36 2/3-37
-х:0,2=-1/3
-х=-1/3*0,2=-1/3*2/10
-х=-15
х=15