Respuesta:
a) 4y=-5-3×
y= -5-3×
-------
4
y= -5/4 - 3×/4
b) -2y= -7+3×
y= 7/2 -3×/2
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Respuesta:
a) 4y=-5-3×
y= -5-3×
-------
4
y= -5/4 - 3×/4
b) -2y= -7+3×
y= 7/2 -3×/2