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 = 2.25/6 // - 2.25/6
y-(2.25/6) = 0
y-0.375 = 0
y-0.375 = 0 // + 0.375
y = 0.375
y = 0.375
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