решите уравнения.
2)21•x+349=832
4)1022-(34x-5895)=15
6)1971:x-439=(234•109):117

2) 23 (21x=483, x=483/21, x=23)4) 203 (1022-34x+5895=15, 34x=6902, x=6902/34, x=203).6) 3 (1971/x-439=218, 1971x=657, x=1971/657, x=3)