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If one equation of a pair of dependent equations is $- 3x + 5y = 4$, then the second equation can be :
- (a)$6x + 10y = 8$
- (b)$9x - 15y + 12 = 0$
- (c)$- 9x + 15y = - 12$
- (d)$- 6x - 10y = 8$
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Ans. (b) $9x - 15y + 12 = 0$