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x in (-oo:+oo)
57 = (1/19)*x // - (1/19)*x
57-((1/19)*x) = 0
(-1/19)*x+57 = 0
57-1/19*x = 0 // - 57
-1/19*x = -57 // : -1/19
x = -57/(-1/19)
x = 1083
x = 1083
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