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cy; x+2*y=7

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Solución

Ha introducido [src]
c*y = 0
$$c y = 0$$
x + 2*y = 7
$$x + 2 y = 7$$
x + 2*y = 7
Respuesta rápida
$$c_{1} = 0$$
=
$$0$$
=
0

$$x_{1} = 7 - 2 y$$
=
$$7 - 2 y$$
=
7 - 2*y
$$x_{2} = 7$$
=
$$7$$
=
7

$$y_{2} = 0$$
=
$$0$$
=
0