[tex]2x - y = 3[/tex]
[tex]y = 2x - 3[/tex]
[tex]4x + 3y = 1[/tex]
[tex]y = \frac{ 1 - 4x}{3} [/tex]
[tex]2x - 3 = \frac{1 - 4x}{3} [/tex]
multiplicamos por 3 ambos miembros
[tex]3(2x - 3) = 1 - 4x[/tex]
[tex]6x - 9 = 1 - 4x[/tex]
[tex]6x + 4x = 1 + 9[/tex]
[tex]10x = 10[/tex]
[tex]x = 1[/tex]
ahora reemplazamos
[tex]2 \times 1 - 3 = = \frac{1 - 4 \times 1}{3} [/tex]
[tex]2- 3 = \frac{1 - 4}{3} [/tex]
[tex] - 1 = - \frac{3}{3} [/tex]
[tex] -1 = - 1=y[/tex]
X=1
Y=-1
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[tex]2x - y = 3[/tex]
[tex]y = 2x - 3[/tex]
[tex]4x + 3y = 1[/tex]
[tex]y = \frac{ 1 - 4x}{3} [/tex]
[tex]2x - 3 = \frac{1 - 4x}{3} [/tex]
multiplicamos por 3 ambos miembros
[tex]3(2x - 3) = 1 - 4x[/tex]
[tex]6x - 9 = 1 - 4x[/tex]
[tex]6x + 4x = 1 + 9[/tex]
[tex]10x = 10[/tex]
[tex]x = 1[/tex]
ahora reemplazamos
[tex]2 \times 1 - 3 = = \frac{1 - 4 \times 1}{3} [/tex]
[tex]2- 3 = \frac{1 - 4}{3} [/tex]
[tex] - 1 = - \frac{3}{3} [/tex]
[tex] -1 = - 1=y[/tex]
X=1
Y=-1