Home
Class 7
MATHS
Verify by substitution that: x=2\ is th...

Verify by substitution that: `x=2\ ` is the root of `3x-2=8x-12`
and `x=4` is the root of `(3x)/2=6`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • INTEGERS

    RD SHARMA ENGLISH|Exercise All Questions|52 Videos

  • LINES AND ANGLES

    RD SHARMA ENGLISH|Exercise All Questions|117 Videos

Similar Questions

Explore conceptually related problems

Verify by substitution that: x=4 is the root of 3x-5=7 and x=3 is the root of 5+3x=14

Find the roots of x^2+3x-4=0 is

Find the roots of 3x^(2) - 5x - 12 = 0 .

Given that 2 is a root of x^3-6x^2+3x+10=0 , find the other roots .

Verify that x=4 is a root of the equation 2x-3=5

Verify that x=4 is a root of the equation 2x-3=5.

If the sum of two of the roots of x^4 -2x^3 -3x^2 +10 x-10=0 is zero then the roots are

Find the equation whose roots are 3 times the roots of 6x^4 -7x^3 +8x^2 -7x +2=0

Find the equation whose roots are 3 times the roots of x^3 +2x^2 -4x +1=0

Find the equation whose roots are (1)/(4) times of the roots of the equation x^(2)-3x+2=0

RD SHARMA ENGLISH-LINEAR EQUATIONS IN ONE VARIABLE-All Questions
  1. Solve the following equations by the trial-and-error method: (i)3x+4...

    Text Solution

    |

  2. Verify by substitution that: x=4 is the root of 3x-5=7and x=3 is th...

    Text Solution

    |

  3. Verify by substitution that: x=2\ is the root of 3x-2=8x-12 and x=...

    Text Solution

    |

  4. Show that y=2 is the root of y-3=2y-5 and x=8 is the root of 1/2x+7=...

    Text Solution

    |

  5. Solve each of the following equations by trial-and-error method: (i)...

    Text Solution

    |

  6. Solve each of the following equations by trial-and-error method: (i)...

    Text Solution

    |

  7. Solve each of the following equations by trial-and-error method: (i)...

    Text Solution

    |

  8. Solve each of the following equations by trial-and-error method: (i)...

    Text Solution

    |

  9. Solve the equation x-3=5 and check the result.

    Text Solution

    |

  10. Solve the equation x-7=-2 and check the result.

    Text Solution

    |

  11. Solve the equation x+7=5

    Text Solution

    |

  12. Solve the equation x+4=-2 and check the result.

    Text Solution

    |

  13. Solve the equation y/(12)=48 and check the result.

    Text Solution

    |

  14. Solve the equation 15 x=21 and verify the result.

    Text Solution

    |

  15. Solve the equation 2/(3x)=18 and check the result.

    Text Solution

    |

  16. Solve the equation 3x+2=11 and check the result.

    Text Solution

    |

  17. Solve the equation 2x-1/2=3 and check the result.

    Text Solution

    |

  18. Solve the equation 3(x+6)=21 and check the result.

    Text Solution

    |

  19. Solve the equation 16(3x-5)-10(4x-8)=40 and verify the result.

    Text Solution

    |

  20. Solve each of the following equation and check your answers: 1.x-3=5...

    Text Solution

    |