Respuesta:
Explicación paso a paso:
1. x - 20 = 54 => x = 54 + 20 => x = 74
2. x + 20 = 54 => x = 54 - 20 => x = 34
3. x - 54 = -20 => x = 54 - 20 => 34
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Verified answer
Respuesta:
Explicación paso a paso:
1. x - 20 = 54 => x = 54 + 20 => x = 74
2. x + 20 = 54 => x = 54 - 20 => x = 34
3. x - 54 = -20 => x = 54 - 20 => 34