1) 1,4(x-6)=7(4x+1,2)! 2) 2,6(0,4x-1,4)=-3,9(1,2x-0,9)! - вопрос №9093034114674122260414391209 от EM20011 11.01.2023 22:04

Question

Математика: 1) 1,4(x-6)=7(4x+1,2)! 2) 2,6(0,4x-1,4)=-3,9(1,2x-0,9)!

EM20011 · Answer

1,4x - 8,4 = 28x + 8,428x - 1,4x = -8,4 - 8,426,6x = -16,8x = -16,8 : 26,6x = -12/192) 2,6(0,4x-1,4)=-3,9(1,2x-0,9)1,04x - 3,64 = -4,68x + 3,511,04x + 4,68x = 3,51 + 3,645,72x = 7,15x = 7,15 : 5,72x = 1,25...