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3x-7y=24 (2)
-6x-15y=-48
6x-14y=48
/ 29y=0
y=0/29
y=0
Reemplazo y
2x+5(0)=16
2x+0=16
2x=16
x=16/2
x=8
Verificacion
reemplazo x e y en ecuacion 1
2x+5y=16
2(8)+5(0)=16
16+0=16
16=16