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x in (-oo:+oo)
x/4+34 = 12*x // - 12*x
x/4-(12*x)+34 = 0
x/4-12*x+34 = 0
34-47/4*x = 0 // - 34
-47/4*x = -34 // : -47/4
x = -34/(-47/4)
x = 136/47
x = 136/47
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