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Introduction to Euclid's Geometry
Question
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If x represents the present age of father and y represents the present age of the son, then the statement “present age of father is 5 more than 6 times the age of son” in terms of mathematical equation is:
  • 6x + y = 5
  • x = y + 30
  • x + 6y = 5
  • x – 6y = 5

Answer

D.

x – 6y = 5

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Some More Questions From Introduction to Euclid's Geometry Chapter

 Express the following statement as a linear equation in two variables by taking present ages (in years) of father and son as x and y, respectively. Age of father 5 years ago was two years more than 7 times the age of his son at that time.

Write the equation 2x = y in the form ax + by + c = 0 and find the values of a, b, c in the equation. How many solution this equation has?