5/14z-1/3z+1/7z=1/4 помогите

Question

5/14z-1/3z+1/7z=1/4 помогите

Answer 1

5\14z-1\3z+1\7z=1\4
1\6z=1\4
z=1\4:1\6
z=3\2=1 1\2

Answer 2

Находим НОЗ:42 z
((15-14+6)/42z)=0.25
7/42z=0.25
42z=7/0.25
42z=28
z=42/28
z=1.5
Ответ: z=1.5