Respuesta:
5
Explicación paso a paso:
2x-(5x-2)=-5x +12
2x-5x+2=-5x+12
2x-5x+5x+2=12
2x+2=12
2x=10
x=5
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Respuesta:
5
Explicación paso a paso:
2x-(5x-2)=-5x +12
2x-5x+2=-5x+12
2x-5x+5x+2=12
2x+2=12
2x=10
x=5