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Answer:
x = 1/2
Step-by-step explanation:
9x-7/3x+5 = 3x-4/x+6
By cross multiplication,
(9x - 7)(x + 6) = (3x + 5)(3x - 4)
9x2 + 54x - 7x - 42 = 9x2 - 12x + 15x - 20
9x2 + 47x - 42 = 9x2 + 3x - 20
9x2 - 9x2 + 47x - 3x = 42 - 20
44x = 22
x = 22/44
x = 1/2
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Answered by
0
Answer:
X = 1/2
Step-by-step explanation:
ATQ
9X - 7 / 3X +5 = 3X - 4 / X + 6
∴ (9X - 7) (X + 6 ) = (3X - 4)(3X + 5)
∴ 9X2 -7X + 54X - 42 = 9X2 + 15X - 12X - 20
∴ 47X - 42 = 3X - 20
∴ 47X - 3X = 42 - 20
∴ 44X = 22
∴ X = 22/44
∴ X = 1/2
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