Помогите решить систему уравнений 1)[tex] \left \{ {{2*3^x-4^y=14} \atop {3^x+4^y=13}} \right. [/tex]
2)[tex] \left \{ {{log3x+log3y=1} \atop {y-3x=8}} \right. [/tex]
3)[tex] \left \{ {{2+log2(x+y)=log2 8 } \atop {x^2-y^2=16}} \right. [/tex]
2)[tex] \left \{ {{log3x+log3y=1} \atop {y-3x=8}} \right. [/tex]
3)[tex] \left \{ {{2+log2(x+y)=log2 8 } \atop {x^2-y^2=16}} \right. [/tex]
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