Question

2x+3y=0
6x+4y=13 preciso da conta

Answer 1

2x +3y =0; 2x =-3y; x = -3y/2; 6x +4y =13; 6(-3y/2) +4y= 13; -18y/2 +4y=13; -9y+ 4y =13; -5y = 13(-1); 5y =-13; y = -13/5; x = -3y/2; x = -3(-13/5)/2; x = 39/10; Resp.: x = 39/10; y = -13/5