Question

Помогите пожалуйста.

Answer 1

2/7х = 16/7
х = 16/7 : 2/7
х = 8
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3/5у = 29/10 - 1/5
3/5у = 29/10 - 2/10
3/5у = 27/10
у = 27/10 : 3/5
у = 9/2
у = 4  1/2
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3/7а = 1 - 2/5
3/7а = 3/5
а = 3/5 : 3/7
а = 7/5
а = 1  2/5