Ask Question
1 March, 01:38

Which value of x satisfies both - 9x + 4y = 8 and - 3x - y = 4 given the same value of y?

A.-1/7

B.-7/9

C.-8/7

D.-9

E.-4/3

+5
Answers (1)
  1. 1 March, 04:49
    0
    Multiply 2nd equaton by 4 and add to first

    -9x+4y=8

    -12x-4y=16 +

    -21x+0y=24

    -21x=24

    divide both sides by - 21

    x=-24/21

    x=-8/7

    C is answer
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “Which value of x satisfies both - 9x + 4y = 8 and - 3x - y = 4 given the same value of y? A.-1/7 B.-7/9 C.-8/7 D.-9 E.-4/3 ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers