Home
Class 7
MATHS
Find the value of the following expressi...

Find the value of the following expressions, when x = –1:
– x + 2

Promotional Banner

Topper's Solved these Questions

  • COMPARING QUANTITIES

    PSEB|Exercise EXAMPLE|126 Videos

Similar Questions

Explore conceptually related problems

Find the value of the following expressions, when x = –1: 2x – 7

Find the value of the following expressions, when x = –1: 2x^2 – x – 2

Find the value of the following expressions when n = – 2. 5n – 2

Find the value of the following expressions when n = – 2. n^3 + 5n^2 + 5n – 2

Find the value of the following expressions when n = – 2. 5n^2 + 5n – 2

Find the values of the following expressions for x = 2. 4x – 3

Find the values of the following expressions for x = 2. x + 4

Find the values of the following expressions for x = 2. 19 – 5x^2

Find the values of the following expressions for x = 2. 100 – 10x^3

When a = 0, b = – 1, find the value of the given expressions a^2 + ab + 2

PSEB-Algebraic Expressions-EXAMPLE
  1. If p = – 2, find the value of – 2p^3 – 3p^2 + 4p + 7

    Text Solution

    |

  2. Find the value of the following expressions, when x = –1: 2x – 7

    Text Solution

    |

  3. Find the value of the following expressions, when x = –1: – x + 2

    Text Solution

    |

  4. Find the value of the following expressions, when x = –1: x^2 + 2x + 1

    Text Solution

    |

  5. Find the value of the following expressions, when x = –1: 2x^2 – x – 2

    Text Solution

    |

  6. If a = 2, b = – 2, find the value of: a^2 + b^2

    Text Solution

    |

  7. If a = 2, b = – 2, find the value of: a^2 + ab + b^2

    Text Solution

    |

  8. If a = 2, b = – 2, find the value of: a^2 + ab + b^2

    Text Solution

    |

  9. When a = 0, b = – 1, find the value of the given expressions 2a + 2b

    Text Solution

    |

  10. When a = 0, b = – 1, find the value of the given expressions 2a^2 + b^...

    Text Solution

    |

  11. When a = 0, b = – 1, find the value of the given expressions 2a^2b + 2...

    Text Solution

    |

  12. When a = 0, b = – 1, find the value of the given expressions a^2 + ab ...

    Text Solution

    |

  13. Simplify the expressions and find the value if x is equal to 2 x + 7 +...

    Text Solution

    |

  14. Simplify the expressions and find the value if x is equal to 2 3 (x +...

    Text Solution

    |

  15. Simplify the expressions and find the value if x is equal to 2 6x + 5 ...

    Text Solution

    |

  16. Simplify the expressions and find the value if x is equal to 2 4(2x – ...

    Text Solution

    |

  17. Simplify these expressions and find their values if x = 3, a = – 1, b ...

    Text Solution

    |

  18. Simplify these expressions and find their values if x = 3, a = – 1, b ...

    Text Solution

    |

  19. Simplify these expressions and find their values if x = 3, a = – 1, b ...

    Text Solution

    |

  20. Simplify these expressions and find their values if x = 3, a = – 1, b ...

    Text Solution

    |