Реши уравнение: (5/7z−1/4)⋅3/16=3/16. - вопрос №124637975714316316 от ang18 20.03.2020 20:03

Question

Математика: Реши уравнение: (5/7z−1/4)⋅3/16=3/16.

ang18 · Answer

((5/7)z−1/4) *3/16=3/16((5/7)z−1/4) =3/16:3/16(5/7)z−1/4=1(5/7)z= 1 + 1/4(5/7)z= 5/4z= 5/4 :5/7 =5/4 * 7/5z= 7/4= 1 3/4 = 1,753/7m+2/5=13/7m=1 -2/53/7m = 3/5m = 3/5 : 3/7 = 3/5 *7/3m=7/5 = 1 2/5= 1.4...