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2x - 2 = 10x + 15
2x - 10x = 15 + 2
- 8x = 17
x = 17/-8
x = - 17/8
Respuesta.
x = - 17/8
2(x - 1) = 5(2x + 3)
2x - 2 = 10x + 15
- 2 - 15 = 10x - 2x
- 17 = 8x ---------> x = -17/8