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 = -2/9-4 // + -2/9-4
y-(-2/9)+4 = 0
y+2/9+4 = 0
y+38/9 = 0 // - 38/9
y = -38/9
y = -38/9
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