5/6x-1/2x=4/15
1/3x=4/15
x=4/15÷1/3
x=4/5
解:解方程, 此方程的解为x = 4/5,【即x = 0.8】
(5/6)x - (1/2)x = 4/15
(5/6)x - (3/6)x = 4/15
(2/6)x = 4/15
(1/3)x = 4/15
x = 4/15 ÷ 1/3
x = 4/15 × 3
x = 4/5
∴x = 0.8
答:此方程的解为x = 4/5,【即x = 0.8】