was ist x wenn y= 3/13
3X-2Y=0
\(y=\frac{3}{13}\)
\(3x-2y=0\)
\(3x-\frac{2\times 3}{13}=0\)
\(x=\frac{2\times3}{3\times 13}\)
\(x=\frac{2}{13}\)
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