If it's not what You are looking for type in the equation solver your own equation and let us solve it.
y in (-oo:+oo)
y/2 = 1/9 // - 1/9
y/2-(1/9) = 0
y/2-1/9 = 0
1/2*y-1/9 = 0 // + 1/9
1/2*y = 1/9 // : 1/2
y = 1/9/1/2
y = 2/9
y = 2/9
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