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)
(-1/2)*x+5 = x+14 // - x+14
(-1/2)*x-x-14+5 = 0
-3/2*x-9 = 0 // + 9
-3/2*x = 9 // : -3/2
x = 9/(-3/2)
x = -6
x = -6
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