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Ответ:

Пошаговое объяснение:

1) х/5-4=-0,1х+2;

x/5 + x/10 = 2+4;

2x/10+x/10 = 6;

3/10x=6;

x=6 : 3/10;

x=6*10/3;

x = 20.

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2)  4 1/6 - 1 1/3х=4х+3 5/18;

-1 1/3x-4x = 3 5/18 - 4 1/6;

-5 1/3x = 3 5/18 - 4 3/18;

-5 1/3x = -8/9;

x= 8/9 : 5 1/3;

x= 8/9 *3/16;

x=1/6.