Odpowiedzi

2010-03-25T21:45:06+01:00
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
2010-03-25T21:45:10+01:00
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