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解方程组:
(1) $\left\{\begin{array}{l}4 x-y=10 \\ 3 x+2 y=2\end{array}\right.$;
(2) $\left\{\begin{array}{l}\frac{x}{4}+\frac{2 y}{3}=7 \\ 5 x-2(y-1)=4\end{array}\right.$
                        
不再提醒