Home
Class 12
MATHS
If a+2b=13 and 8a+b=20, what is the valu...

If `a+2b=13 and 8a+b=20`, what is the value of `3a+b`?

Text Solution

Verified by Experts

The correct Answer is:
`11`
Promotional Banner

Topper's Solved these Questions

  • PRACTICE TEST 1

    ENGLISH SAT|Exercise EXERCISE|60 Videos
  • PRACTICE TEST

    ENGLISH SAT|Exercise MATH TEST (WITH CALCULATOR)|37 Videos
  • PRACTICE TEST 2

    ENGLISH SAT|Exercise Multiple Choice|58 Videos

Similar Questions

Explore conceptually related problems

IF a^b=4 and 3b=2, what is the value of a?

If 7c+8b=15and 3b-c=2, what is the value of b ?

If a+2=6 and b+3=21 , what is the value of b/a ?

IF 3a+2b=24 and 4a+5b=53, what is the value of a+b?

If a-b=3 and a^(2)-b^(2)=21 , what is the value of a?

If a = 6 - b^(3) and b = - 2 , what is the value of a ?

If 5a=6b+7 and a -b =3, what is the value of b/2 ?

If 5b=6a+16 and 9b=7b-20 , then what is the value of 3a-2b ?

If a-b=6 and a b=20 , find the value of a^3-b^3

ENGLISH SAT-PRACTICE TEST 1-EXERCISE
  1. If a+2b=13 and 8a+b=20, what is the value of 3a+b?

    Text Solution

    |

  2. Which of the following epression is equaivalent to a(4-a) - 5(a + 7)?

    Text Solution

    |

  3. Which of the following inequalities orders the numbers 0.2, 0.03 and 1...

    Text Solution

    |

  4. If x^(2) + 4 = 29, then x^(2) - 4 = ?

    Text Solution

    |

  5. The vertices of a rectangle are (-1, -2), (4,2), (4,3) and (-1,3). Whe...

    Text Solution

    |

  6. In 1985, the cost of clothing for a certain family was $620. In 1995, ...

    Text Solution

    |

  7. The square root of a certain number is approximately 9.2371. The certa...

    Text Solution

    |

  8. A beg contains 10 pieces of flavored candy: 4 lemon, 3 strawberry, 2 ...

    Text Solution

    |

  9. When points A and B (-3, 4) are graphed in the standard (x,y) coordina...

    Text Solution

    |

  10. Andrea manages a company that currently has 116 customers, which is 8 ...

    Text Solution

    |

  11. Joseph will have a 200-foot-long fence installed around his yard. The ...

    Text Solution

    |

  12. For a math homework assignment, Kerla found teh area and perimeter of ...

    Text Solution

    |

  13. Carrie's Chocolate shop and Tamika's Treat Shop both sell cadny in box...

    Text Solution

    |

  14. Carrie's Chocolate shop and Tamika's Treat Shop both sell cadny in box...

    Text Solution

    |

  15. Carrie's Chocolate shop and Tamika's Treat Shop both sell cadny in box...

    Text Solution

    |

  16. Which of the following is a solution to the equation x^(2) - 36x = 0 ...

    Text Solution

    |

  17. In the figure below, vertices D and F of /\DEF lie on bar(CG), the mea...

    Text Solution

    |

  18. A company ships notepads in rectangular boxes that each have inside di...

    Text Solution

    |

  19. The function f is defined as f(x) = -4x^(3) - 4x^(2). What is f(-4)?

    Text Solution

    |

  20. Which of the following (x,y) pairs is the solution for the system of e...

    Text Solution

    |

  21. Which of the following is a value of x that satisfies log(x) 36 = 2?

    Text Solution

    |