Question

resolver el siguiente sistema de ecuacilnes 2x+3y=5 5x+6y=4

Answer 1

2x+3y=5
5x+6y=4
Despejamos x
X=5-3y/2
X=4-6y/5
Igualamos
5-3y/2=4-6y/5
5(5-3y)=2(4-6y)
25-15y=8-12y
25-8=-12y+15y
17=3y
17/3=y
Hallamos x
2x+3y=5
2x+3(17/3)=5
2x+17=5
2x=5-17
2x=-12
X=-6