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Mathematics, 22.09.2019 08:30 brony2199

Find the value of a for which the straight lines x + y - 4 = 0, 3x + 2 = 0 and x - y + 3a = 0 are concurrent.

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Find the value of a for which the straight lines x + y - 4 = 0, 3x + 2 = 0 and x - y + 3a = 0 are co...
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