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2x+3y=2
-6x+12y=1
X=2-3y/2
X=1-3/2y
-6(1-3/2y)+12y=1
-6+9y+12y=1
21x=7
X=7/21
X=1/3
-6.1/3+12y=1
-2+12y=1
12y=3
Y=3/12
Y=1/4
Igualacion
2x+3y=2
-6x+12y=1
x=2-3y/2. X=1-3/2y
X=1-12y/-6. X=-1/6+2y
1-3/2y=-1/6+2y
-3/2y-2y=-1/6-1
-7/2y=-7/6
Y=-7/6:(-7/2)
Y=1/3
2x+3(1/3)=2
2x+1=2
2x=1
X=1/2
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