X+3/20=5/12+2/9 .......

Question

X+3/20=5/12+2/9 .......

Answer 1

Х=23/36-3/20
х=22/45
ответ: х=22/45

Answer 2

X + 3\20 = 5\12 + 2\9 
5\12 + 2\9 = 15\36 + 8\36 = 23\36
x + 3\20 = 23\36
x = 23\36 - 3\20 = 460\720 - 108\720 = 352\720 = 176\360= 88\180 =44\90 = 22\45
x = 22\45
22\45 + 3\20 = 440\900 + 135\900 = 575\900 =23\36