Respuesta:
Explicación paso a paso:
[tex]x + 4y=7 \\2+ 3y = 4\\resolvemos la ecuación \\x= 7-4y\\2x +3y =4 \\2(7-4y) + 3 y= 4\\y= 2\\x=7 -4 *2 \\x= -1 \\(x,y) = (-1, 2) \\\\comprobar\\-1+4*2= 7 \\2*(-1)+3*2=4\\7=7\\4=4\\(x, y) = (-1, 2)[/tex]
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Respuesta:
Explicación paso a paso:
[tex]x + 4y=7 \\2+ 3y = 4\\resolvemos la ecuación \\x= 7-4y\\2x +3y =4 \\2(7-4y) + 3 y= 4\\y= 2\\x=7 -4 *2 \\x= -1 \\(x,y) = (-1, 2) \\\\comprobar\\-1+4*2= 7 \\2*(-1)+3*2=4\\7=7\\4=4\\(x, y) = (-1, 2)[/tex]