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Jennifer won tickets playing a game at the arcade. She gave her sister 18 of them. She has 47 left. How many tickets has she won before giving them away? Let n represent the number of tickets.

Respuesta :

if n = the number of tickets,
n - 18 = 47
(take 18 to the other side and inverse its operation)
n = 47 + 18
n = 65

Let she got x tickets

ATQ

[tex]\\ \sf\longmapsto x-18=47[/tex]

  • Take 18 to right

[tex]\\ \sf\longmapsto x=47+18[/tex]

[tex]\\ \sf\longmapsto x=65[/tex]

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