3 1/3 x+8=4 2/5 x-8

3 1/3x +8=4 2/5 -8 /+8 16=4 2/5 - 3 1/3 16=4 6/15 - 3 5/15 16=1 1/15 16/1*15/16=15

3 ⅓ x+8=4 ⅖ x-8 3 ⅓ x - 4 ⅖x = -8 -8 3 ⁵/₁₅ x - 4 ⁶/₁₅ x = -16 -1 ¹/₁₅ x = -16 -¹⁶/₁₅ x = -16 / * (-¹⁵/₁₆) x = 15