1) X+85,21=-11,4
2)113,4-X=120
3)X-25,9=11,352

1) x=-11, 4-85, 21x= -11, 4+ (-85, 21)x= -96, 61.2) 113,4 - x = 120 x= 113,4-120 x= -6,63) x-25, 9=11,352x= 11, 352 + 25, 9x= 37, 252.

1) х+85,21=-11,4х=-11,4-85,21х=-96,612)113,4-х=120х=113,4-120х=-6,63)х-25.9= 11,352х= 25,9+11,352х=37,252