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 = -4/3 // + -4/3
y-(-4/3) = 0
y+4/3 = 0
y+4/3 = 0 // - 4/3
y = -4/3
y = -4/3
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