Ask Question
11 January, 22:33

Given the equations below what is the value of ab?

10b-9a=6

b-a=1

+1
Answers (1)
  1. 11 January, 23:18
    0
    12

    Step-by-step explanation:

    Adding a to both sides of the second equation we get b = a+1

    Substituting this in we get

    10a + 10 - 9a=6

    a + 10 = 6

    a=-4

    Putting this back in to the second one we get b+4=1

    B=-3

    -4*-3=12
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “Given the equations below what is the value of ab? 10b-9a=6 b-a=1 ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers