amigo lo siento pero nose
Respuesta:
3x-5y= -9 ---> x= -9 +5y/3
2x+ 3y=13
2x + 3y=13 ---> 2.( -9 +5y/3)+3y =13
-18+10y/3 +3y =13
-18+10y +9y = 39
10y+9y= 39+18
19y= 57
y= 3
x = -9 + 5y / 3
x= -9+5.3/3
x=2
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amigo lo siento pero nose
Respuesta:
3x-5y= -9 ---> x= -9 +5y/3
2x+ 3y=13
2x + 3y=13 ---> 2.( -9 +5y/3)+3y =13
-18+10y/3 +3y =13
-18+10y +9y = 39
10y+9y= 39+18
19y= 57
y= 3
x = -9 + 5y / 3
x= -9+5.3/3
x=2