Home
Class 10
MATHS
IF 3x +5Y = 9 and 5x + 3y =7 then ...

IF `3x +5Y = 9 and 5x + 3y =7` then find the value of `x+y`

Text Solution

Verified by Experts

The correct Answer is:
`14, (-5)/(2)`
Promotional Banner

Topper's Solved these Questions

  • PAIR OF LINEAR EQUATIONS IN TWO VARIABLES

    VK GLOBAL PUBLICATION|Exercise PROFICIENCY EXERCISE (LONG ANSWER QUESTIONS)|20 Videos

  • PAIR OF LINEAR EQUATIONS IN TWO VARIABLES

    VK GLOBAL PUBLICATION|Exercise SELF-ASSESSMENT TEST|11 Videos

  • PAIR OF LINEAR EQUATIONS IN TWO VARIABLES

    VK GLOBAL PUBLICATION|Exercise PROFICIENCY EXERCISE ( SHORT ANSWER QUESTIONS I)|14 Videos

  • MODEL QUESTION PAPER-6

    VK GLOBAL PUBLICATION|Exercise SECTION-D|7 Videos

  • POLYNOMIALS

    VK GLOBAL PUBLICATION|Exercise SELF-ASSESSMENT TEST|11 Videos

Similar Questions

Explore conceptually related problems

If 3x + 5y = 21 and 2x +3y = 13 , then find the values of x and y .

If 5x-2y = 17 and 3x +y =8 , then find the values of x and y .

If 4x + 3y = 25 and 5x + 2y = 26 , then find the values of x and y

3x+5y=9 and 4x+3y=7 then find x+y

If 2x +3y = 30 and (x+y)/y = 11/8 , then find the value of 5y + 6x

If 4x-5y=37 and 3x-4y=25, then find the value of x-y.

If 3x+ 4y-11 = 18 and 8x- 6y +12 = 6, then what is the value of 5x- 3y - 9?

VK GLOBAL PUBLICATION-PAIR OF LINEAR EQUATIONS IN TWO VARIABLES -PROFICIENCY EXERCISE ( SHORT ANSWER QUESTIONS II)
  1. Find the solution of the pair of equations (x)/(10) + (y)/(5) - 1 = 0 ...

    Text Solution

    |

  2. Find the values of a and b for which the following pair of equations h...

    Text Solution

    |

  3. Given the linear equation 3x - 2y + 7 =0, write another linear equatio...

    Text Solution

    |

  4. If the angles of a triangle are x, y and 40^(@) and the difference bet...

    Text Solution

    |

  5. Draw the graph of the pair of equations x - 2y =4 and 3x + 5y =1. Writ...

    Text Solution

    |

  6. If (x+1) is a factor of 2x^(3)+ax^(2)+2bx+1, then find the value of a ...

    Text Solution

    |

  7. The angles of a cylic quadrilateral ABCD are angle A =(2x +4)^(@), an...

    Text Solution

    |

  8. A two-digit number is 3 more than 4 times the sum of its digits. If 18...

    Text Solution

    |

  9. Solve the following system of equations by method of cross-multipli...

    Text Solution

    |

  10. Find whether for following pairs of equations are consistent or not by...

    Text Solution

    |

  11. The age of the father is twice the sum of the ages of his two children...

    Text Solution

    |

  12. There are some students in the two examination halls A and B. To make ...

    Text Solution

    |

  13. Solve the following system of equation: √2x – √3y = 0 ; √3x − √8...

    Text Solution

    |

  14. The larger of two supplementary angles exceeds thrice the smaller by 2...

    Text Solution

    |

  15. Solve graphically each of the following systems of linear equations. A...

    Text Solution

    |

  16. Solve graphically each of the following systems of inear equations. A...

    Text Solution

    |

  17. IF 3x +5Y = 9 and 5x + 3y =7 then find the value of x+y

    Text Solution

    |

  18. Half the perimeter of a rectangular garden, whose length is 4 m mor...

    Text Solution

    |

  19. Two numbers are in the ratio of 1:3. If 5 is added to both the numbers...

    Text Solution

    |

  20. A's age is seven times B's age. Four years hence, the age of A will be...

    Text Solution

    |