Toán Lớp 9: $frac{x+2}{13}$ +$frac{2x+45}{15}$ =$frac{3x+8}{37}$+$frac{4x+69}{9}$ giải pt -

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Toán Lớp 9: $\frac{x+2}{13}$ +$\frac{2x+45}{15}$ =$\frac{3x+8}{37}$+$\frac{4x+69}{9}$ giải pt