Solution for 1/3-1/9y=3 equation:
y in (-oo:+oo)
((-1(1/3))/9)y = 3 // - 3
((-1(1/3))/9)y-3 = 0
((-1/3)/9)y-3 = 0
-1/27y-3 = 0 // + 3
-1/27y = 3 // : -1/27
y = 3/(-1/27)
y = -81
y = -81Solution for 2/31/5y=9 equation:
y in (-oo:+oo)
((1(2/3))/5)y = 9 // - 9
((1(2/3))/5)y-9 = 0
((2/3)/5)y-9 = 0
2/15y-9 = 0 // + 9
2/15y = 9 // : 2/15
y = 9/2/15
y = 135/2
y = 135/2
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