Respuesta:
[tex]x + y = 110 \\ x = 110 - y \\ 4x + 2y = 40 \\ 4x = 40 - 2y \\ x = \frac{40 - 2y}{4} \\ 110 - y = \frac{40 - 2y}{4} \\ 440 - 4y = 40 - 2y \\ - 40 + 440 = - 2y + 4y \\ 400 = 2y \\ y = \frac{400}{2} = 200[/tex]
[tex]x = 110 - y \\ x = 110 - 200 \\ x = - 90[/tex]
Explicación paso a paso:
[tex]x + y = 110 \\ - 90 + 200 = 110 \\ [/tex]
[tex]4x + 2y = 4 \times ( - 90) + 2 \times 200 = \\ - 360 + 400 = 40[/tex]
espero te sirva
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Verified answer
Respuesta:
[tex]x + y = 110 \\ x = 110 - y \\ 4x + 2y = 40 \\ 4x = 40 - 2y \\ x = \frac{40 - 2y}{4} \\ 110 - y = \frac{40 - 2y}{4} \\ 440 - 4y = 40 - 2y \\ - 40 + 440 = - 2y + 4y \\ 400 = 2y \\ y = \frac{400}{2} = 200[/tex]
[tex]x = 110 - y \\ x = 110 - 200 \\ x = - 90[/tex]
Explicación paso a paso:
[tex]x + y = 110 \\ - 90 + 200 = 110 \\ [/tex]
[tex]4x + 2y = 4 \times ( - 90) + 2 \times 200 = \\ - 360 + 400 = 40[/tex]
espero te sirva