13(x-13)+14(14-2)=11*(3x-11)+28+(10x-21)
13x - 1313 + 1412 = 33x - 11*11 + 28 + 10x - 2113x - 169 + 168 = 33x - 121 + 28 + 10x - 2113x - 1 = 33x - 93 + 10x + 713x - 1 = 43x - 86
-30 = 30xx = -1
Ответ: x = -1
13(x-13)+14(14-2)=11*(3x-11)+28+(10x-21)
13x - 1313 + 1412 = 33x - 11*11 + 28 + 10x - 21
13x - 169 + 168 = 33x - 121 + 28 + 10x - 21
13x - 1 = 33x - 93 + 10x + 7
13x - 1 = 43x - 86
-30 = 30x
x = -1
Ответ: x = -1