✔ 最佳答案
5/6 = (-10/3)y - 5/9
Add 5/9 to both sides:
5/6 + 5/9 = (-10/3)y
Find the LCD:
(5/6)(3/3) + (5/9)(2/2) = (-10/3)y
15/18 + 10/18 = (-10/3)y
25/18 = (-10/3)y
Multiply both sides by -3/10:
(25/18)(-3/10) = y
y = -75/180
y = -15/36
y = -5/12
Or:
5/6 = -10/(3y) - 5/9
Multiply everything by 3y:
15y/6 = -10 - 15y/9
5y/2 = -10 - 5y/3
Add 5y/3 to both sides:
5y/2 + 5y/3 = -10
Find LCD:
15y/6 + 10y/6 = -10
25y/6 = -10
Multiply both sides by 6/25:
y = -60/25
y = -12/5