A) n + x = 12
B) 5n + n = 12
C) 5 + n =12
D) x + y = 5
E) n = 17
![A N X 12 B 5n N 12 C 5 N 12 D X Y 5 E N 17 class=](https://pt-static.z-dn.net/files/d34/e5d33182c3e944b4a1341fede009b0a2.png)
Olá!!!
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RESPOSTA:
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RESOLUÇÃO:
[tex]5 + n = 12 \\n = 12 - 5 \\ \red{n = 7} \\ \\ \\ \pink{ 7 + 5 = 12}[/tex]
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⏩⏩⏩Dalana Santos⏪⏪⏪