Respuesta:
x/7 - 21 = 2
x/7 = 2 + 21
x/7 = 23
x = 23 * 7
x = 161
Explicación paso a paso:
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Respuesta:
x/7 - 21 = 2
x/7 = 2 + 21
x/7 = 23
x = 23 * 7
x = 161
Explicación paso a paso: