Ta có: \(3x+3x+1+3x+2+3x+3=29160\)
\(\Leftrightarrow12x=29154\)
hay x=2429,5
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Ta có: \(3x+3x+1+3x+2+3x+3=29160\)
\(\Leftrightarrow12x=29154\)
hay x=2429,5