6,71+x+2,808=(19,46-5,722)-2,209
6,71 + х + 2,808 = (19,46 - 5,722) - 2,209 6,71 + х + 2,808 = 13,738 - 2,209 х= 13,738 - 2,209 - 6,71 - 2,808 х = 2,011
19,46 - 5,722 = 13,738 13,738 -2,209 = 11,529 Х = 11,529 - 6,71 - 2,808 Х = 2,011