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Omni-MATH / Let a,b,c,d be real numbers such that min(20x+19,19x+20)=(ax+b)−|cx+d| for all real numbers x. Find ab+cd. · Discussion

Discussing Let a,b,c,d be real numbers such that min(20x+19,19x+20)=(ax+b)−|cx+d| for all real numbers x. Find ab+cd. · Omni-MATH

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