A)(x-0.25) + 4 1/12 = 6 1/3x - 0.25 + 4 + 1/12 = 6 + 1/3x + 3.75 + 1/12 = 6 + 1/3x + 3.75 + 0.0833 = 6.3333x + 3.8333 = 6.3333x = 6.3333 - 3.8333x = 2.5
Ответ: x = 2.5
Б)5 2/3 - (x + 0.25) = 3 1/617/3 - (x + 1/4) = 19/617/3 - x - 1/4 = 19/6(17/3 - 1/4) - x = 19/6(68/12 - 3/12) - x = 19/665/12 - x = 19/6
Ответ: x = 27/12 = 2.25
A)
(x-0.25) + 4 1/12 = 6 1/3
x - 0.25 + 4 + 1/12 = 6 + 1/3
x + 3.75 + 1/12 = 6 + 1/3
x + 3.75 + 0.0833 = 6.3333
x + 3.8333 = 6.3333
x = 6.3333 - 3.8333
x = 2.5
Ответ: x = 2.5
Б)
x = 19/6 - 65/12x = 38/12 - 65/12x = -27/125 2/3 - (x + 0.25) = 3 1/6
17/3 - (x + 1/4) = 19/6
17/3 - x - 1/4 = 19/6
(17/3 - 1/4) - x = 19/6
(68/12 - 3/12) - x = 19/6
65/12 - x = 19/6
x = 27/12
Ответ: x = 27/12 = 2.25