If 5 x 15 x 20 July 8, 2019 16 32 64 128 If 5 x 15 x 20 what is the value of x 5 If x 5 when y 15 find y when x 20 If 5/x=15/x+20 what is the value of x/5 If x ≠ 2.5 and 2x = 15 - 4x then x =