Question

решите систему уравнений 
{3x-2y=4
{2x+3y=7

Answer 1

$left { {{3x-2y=4} atop {2x+3y=7}} right. left { {{x=(4+2y)/2} atop {2*( (4+2y)/2 +3y=7}} left { {{x= (4+2y)/2} atop {2y+3y=3}} right. left { {{x=(4+2y)/2} atop {5y=3}} right. left { {{x=2.6} atop {y=0.6}} right.$