10x – 4x = 2,226; 6x = 2,226; x = 2,226 / 6; x = 0,371
6x + 2x + 2,352 = 4,2; 8x = 4,2 – 2,352; 8x = 1,848; x = 1,848 / 8; x = 0,231
Ответ: 1) x = 0,371; 2) x = 0,231