Question

Помогите проверить 2/3x-2/6x-1=1/1/4

Answer 1

2/3х - 2/6х -1 = 1 / 1/4
2/3х - 1/3х- 1 = 4
1/3х = 4+1
1/3х = 5
Х= 5:1/3
Х= 5*3:1
Х= 15
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2/3*15 - 2/6*15 - 1 = 1 / 1/4
10 - 5 -1 = 4
4= 4

Answer 2

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