(4,(6)+5,5)*5 = (42/9 + 55/10)*5 = (420 + 495)/90 * 5 = 915/90 * 5 = 305/6
4.(6) = x
10x = 46.(6)
10x - x = 46.(6) - 4.(6)
9x = 42
x = 42/9
(4,(6)+5,5)*5 = (42/9 + 55/10)*5 = (420 + 495)/90 * 5 = 915/90 * 5 = 305/6
4.(6) = x
10x = 46.(6)
10x - x = 46.(6) - 4.(6)
9x = 42
x = 42/9