If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
X = (1/2)*y-6 // - (1/2)*y-6
X-((1/2)*y)+6 = 0
X+(-1/2)*y+6 = 0
X-1/2*y+6 = 0
x należy do R
x in (-oo:+oo)
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