Question

Metodo de sustitucion x-1=2(y+6);x+6=3(1-2y)

Answer 1

x-1=2(y+6)...........(1)
x+6=3(1-2y)..........(2)
En (1) despejamos "x"
x=2y+12+1
x=2y+13
Remplazando "x" en (2)
x+6=3-6y
2y+13+6=3-6y
2y+6y=3-19
8y=-16
y=-2
Remplazando "y" en (1)
x-1=2(y+6)
x-1=2(-2+6)
x-1=2(4)
x=8+1
x=9