Question

${m + n} = 18 {m + n} = 4ayudaaaaaaaaa$
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Answer 1

Respuesta:

$m + n = 4 \\ - 1 (18m + n = 4) \\ \\ m + n = 4 \\ - 18m - n = - 4 \\ - 17m = 0 \\ m = 0 \div - 17 \\ m = 0$

$0 + n = 4 \\ n = 4 \\ n = 4\div 1 \\ n = 4$