Home
Class 9
MATHS
The solutions of the equation x+y=7 are...

The solutions of the equation x+y=7 are

A

(1, 6), (3, -4)

B

(1, -6), (4, 3)

C

(1, 6), (4, 3)

D

(-1, 6), (-4, 3)

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • LINEAR EQUATIONS

    CALCUTTA BOOK HOUSE|Exercise EXERCISE - 4.2|77 Videos

  • LINEAR EQUATIONS

    CALCUTTA BOOK HOUSE|Exercise EXERCISE - 4.2|77 Videos

  • LAWS OF INDICES

    CALCUTTA BOOK HOUSE|Exercise EXERCISE - 6|67 Videos

  • LINEAR EQUATIONS IN REAL PROBLEMS

    CALCUTTA BOOK HOUSE|Exercise EXERCISE-5|31 Videos

Similar Questions

Explore conceptually related problems

The solution of the equation dy/dx - 3 y = sin 2x is -

If x = 3, y = 2 is a solution of the equation 5x - 7y = k, find the value of k and write the resultant equation.

If x = 2k + 1 and y = k is a solutions of the equation 5x + 3y - 7 = 0, find the value of k.

Find the value of k, if x = 2, y =1 is a solution of the equation 2x + 3y = k. Find two more solutions of the resultant equation.

The number of solutions of the equation x + y + z = 10 in positive integers x , y , z, is equal to -

The solution of the equation (dy)/(dx)=cos(x-y) is

The solution of the equation (dy)/(dx)+y=e^(-x), y(0)=0 is -

If x y=2(x+y),xlt=y and x ,y in N , then the number of solutions of the equation are a. two b. three c. no solution d. infinitely many solutions

The solution of the equation (x^2y+x^2)dx+y^2(x-1)dy=0 is given by

CALCUTTA BOOK HOUSE-LINEAR EQUATIONS-EXERCISE - 4.1
  1. The straight line which coincides with the graph of the equation x+y=5...

    Text Solution

    |

  2. The equations 4x+3y=7 and 7x-3y=4 have

    Text Solution

    |

  3. The solutions of the equation x+y=7 are

    Text Solution

    |

  4. (1, 1) is the solution of

    Text Solution

    |

  5. Find the value of k for which the equations 2x+5y=8 and 2x-ky=3 will h...

    Text Solution

    |

  6. If the solution rx+2y=5 and (r-5)x+3y=2 have no solution, then the val...

    Text Solution

    |

  7. If the solution rx+2y=5 and (r+1)x+3y=2 have no solution, then the val...

    Text Solution

    |

  8. If x= 3p and y=(2p)/5+1, then find the value of p for which x = 5y.

    Text Solution

    |

  9. Find two sets of solutions of the equation ax+by+c=0.

    Text Solution

    |

  10. Express the equation px+qy+r=0 in the form of y=mx+c where m and c are...

    Text Solution

    |

  11. If u and v are real numbers and (u+3)^(2)+(v+5)^(2)=0, then find the v...

    Text Solution

    |

  12. If x^(2)+y^(2)-6x-8y=-25, then find the values of x and y.

    Text Solution

    |

  13. Find the values of x and y when x^(2)+y^(2)-2sqrt(2)x+2sqrt(5)y=-7.

    Text Solution

    |

  14. Find the values of r for which the equations rx-y=3 and 4x-2y=5 will h...

    Text Solution

    |

  15. Find the value of t for which the graphs of the simultaneous linear eq...

    Text Solution

    |

  16. Find the value of k for which the graph of the simultaneous linear equ...

    Text Solution

    |

  17. Find the values of a and b if the simultaneous linear equation ax-15y+...

    Text Solution

    |

  18. Determine the condition for which the simultaneous linear equations bx...

    Text Solution

    |

  19. Show that the solution set of the simultaneous linear equations 4x+3y=...

    Text Solution

    |

  20. Express the following statements in the form of two simultaneous linea...

    Text Solution

    |