245,68 - (X x (1/4+6))=129,42
X x 25/4 = 245,68 - 129 ,42
X x 25/4=125,26
X=125,26 x 4/25
X=3,206656
245,68 - ( x : 4 + x * 6 ) = 43,14 * 3
X * 25/4 = 245,68 - 129,42
X * 25/4 = 125,68
X = 125,26 x 4/25
X = 3,
206656
X*1/4+X*6=245,68-43,14*3
X*25/4= 116,26
X=18,6016