Question

решите систему уравнения

Answer 1

$left { {{3^{x}cdot 2^{y}=frac{1}{9}} atop {y-x=2}} right. ; left { {{9cdot 3^{x}cdot 2^{x+2}=1} atop {y=x+2}} right. ; left { {{3^2cdot 3^{x}cdot 2^{x+2}=1} atop {y=x+2}} right. ; left { {{3^{x+2}cdot 2^{x+2}=1} atop {y=x+2}} right. \\ left { {{(3cdot 2)^{x+2}=1} atop {y=x+2}} right. ; left { {{6^{x+2}=6^0} atop {y=x+2}} right. ; left { {{x+2=0} atop {y=x+2}} right. ; left { {{x=-2} atop {y=0}} right. \\Otvet:; ; (-2,0).$