Ответ:
[tex]x - y = 13 \\ 2y = 146 \\ \\ y = \frac{146}{2 } \\ y = 73 \\ \\ x - 73 = 13 \\ x = 86 \\ \\ 86 + 73 = 159[/tex]
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Ответ:
[tex]x - y = 13 \\ 2y = 146 \\ \\ y = \frac{146}{2 } \\ y = 73 \\ \\ x - 73 = 13 \\ x = 86 \\ \\ 86 + 73 = 159[/tex]