Respuesta:
Explicación paso a paso:
5x + 4 = 2x - 5
5x - 2x = -4 - 5
3x = -9
x = -9 ÷ 3
x = -3
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Respuesta:
Hola!
Explicación paso a paso:
5x + 4 = 2x - 5
5x - 2x = -4 - 5
3x = -9
x = -9 ÷ 3
x = -3
salu2