Respuesta:
es 17
Explicación paso a paso:
x+3y=37
x=37-3y
3(37-3y)-y=11
111-9y-y=11
-10y=11-111
-10y=-100
y= -100/-10
y=10
x=37-3(10)
x=37-30
x=7
7+10=17
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Respuesta:
es 17
Explicación paso a paso:
x+3y=37
x=37-3y
3(37-3y)-y=11
111-9y-y=11
-10y=11-111
-10y=-100
y= -100/-10
y=10
x=37-3y
x=37-3(10)
x=37-30
x=7
7+10=17