Решить уровнение 2/7×(¥-7)-3/4×(¥-8)=17

2/7 * ¥ - 2/7 * 7 - 3/4 * ¥ - 3/4 * ( - 8) = 17;2/7¥ - 2/7 * 7/1 - 3/4¥ - 3/4 * (- 8/1) = 17;2/7¥ - 2 - 3/4¥ + 6 = 17;2/7¥ - 3/4¥ = 17 +2 - 6;8/28¥ - 21/28¥ = 13;- 13/28¥ = 13;¥ = 13 : (- 13/28);¥ = 13/1 * ( - 28/13);¥ = - 28.Ответ: ¥ = - 28.