este urgent dau follow!!! va roog
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Răspuns:
[tex]x + y = 90 \\ x - y = 14 \\ \\ x + y = 90 \\ x = 90 - y \\ \\ x - y = 14 \\ 90 - y - y =14 \\ - 2y = 14 - 90 \\ - 2y = - 76 \\ y = 38 \\ \\ x + y = 90 \\ x + 38 = 90 \\ x = 90 - 38 \\ \times = 52[/tex]
sper ca te-am ajutat:))(