$x,y$ ની જે કિંમતો માટે શ્રેણિક જોડ $\left[\begin{array}{cc}3 x+7 & 5 \\ y+1 & 2-3 x\end{array}\right]=\left[\begin{array}{cc}0 & y-2 \\ 8 & 4\end{array}\right]$ સમાન થાય તેવી આપેલી $x $ અને $y$ ની કિંમત ............
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