Sunday
March 26, 2017

Post a New Question

Posted by on .

3a+4b=-25
2a-3b=6

  • Math - ,

    I assume we are solving ?

    first times 3 ---> 9a + 12b = -75
    2nd times 4 ---> 8a - 12b = 24
    add them

    17a = -51
    a = -3

    back into the first:
    3(-3) + 4b = -25
    4b = -16
    b = -4

    a = -3 , b=-4

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question