Respuesta:
2x + 30 = 10
Explicación paso a paso:
2x = 10 - 30
2x = -20
x = -20 : (-2)
x = 10
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Respuesta:
2x + 30 = 10
Explicación paso a paso:
2x = 10 - 30
2x = -20
x = -20 : (-2)
x = 10