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X in (-oo:+oo)
3/100 = X/350 // - X/350
3/100-(X/350) = 0
3/100-1/350*X = 0 // - 3/100
-1/350*X = -3/100 // : -1/350
X = -3/100/(-1/350)
X = 21/2
X = 21/2
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