Question

solve using cross multiplication 0.6 x - 4.5 y= 11.4, 0.5 x + 0.4 y =1. 2​

Answer 1

. 3x − y = 0.6 x − 2y = 1.3

42. −x + 2y = 4 2x − 4y = 1

43. x + 2y = 7 2x + 6y = 12

44. 3x − 5y = 7 x − 2y = 3

45. 3x − 2y = 5 −9x + 6y = −15

Answer 2

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