(1o x+55 )/2=10x-(95-10x)/2
( 10x - 55 ) / 2 = 10x - (95 - 10x) /25x - 55/2 = 10x - 95/2 + 5x5x - 55/2 = 15x - 95/220 = 10xx = 2
Saludos!!