Math, asked by rubinamemon9737, 2 months ago

3x+9/5=5/7×-15
solve the equation
solveeeeee​

Answers

Answered by rishi20284
22

Step by step explanation

  • 3x + 9 = 5

5 7x - 25

  • By cross multiplication, we get

  • (7x - 25)(3x + 9) = 5 × 5

  • 25 = 21x² + 63x - 75x - 200
  • 25 = 21x² - 12 - 200
  • 25 = 21x² - 212
  • 21x² = (-212) - 25
  • 21x² = - 237

  • x² = -237

21

  • x = √ -237

21

I am not sure but according to your question, your answer is -237

21

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