Question

решить систему уравнения 3x-2y=-1 и 3^8x/3^3y=9

Answer 1

$left { {{3x-2y=-1} atop { frac{ 3^{8x} }{ 3^{3y} } =9}} right. left { {{3x-2y=-1} atop { 3^{8x-3y} = 3^{2} }} right. left { {{3x-2y=-1|*3} atop {8x-3y=2|*(-2)}} right. [tex] left { {{9x-6y=-3} atop {-16x+6y=-4}} right. left { {{-7x=-7} atop {3x-2y=-1}} right. left { {{x=1} atop {y=2}} right.$