Pasos:
n - 7 = 4
Sumar 7 a ambos lados:
n - 7 + 7 = 4 + 7
[tex]Simplificar:[/tex]
n = 11
8 + n = 22
Restar 8 de ambos lados:
8 + n - 8 = 22 - 8
n = 14
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Pasos:
n - 7 = 4
Sumar 7 a ambos lados:
n - 7 + 7 = 4 + 7
[tex]Simplificar:[/tex]
n = 11
8 + n = 22
Restar 8 de ambos lados:
8 + n - 8 = 22 - 8
[tex]Simplificar:[/tex]
n = 14