(7- y) - 12 = 36
10(532 – y) = 5300
14y - y + 8 = 21
205 . y - 212 = 403
(2y – 5) + 38 = 43
1479 : (7y – 5) = 29
13(6 - y) = 0
238y - 100y + 1240 =
(y + 16) 12 = 240.
11y+ 1305 = 1401 - 13y

noeva2005    3   07.09.2019 18:09    8