Ask Question
6 February, 13:03

The sum of a number 9 is multiplied by - 2 and the answer is - 8

find the number.

+2
Answers (1)
  1. 6 February, 16:51
    0
    The missing number is equal to - 5.

    -2 (x + 9) = - 8

    Distributive property.

    -2x - 18 = - 8

    Add 18 to both sides.

    -2x = 10

    Divide both sides by - 2.

    x = - 5
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “The sum of a number 9 is multiplied by - 2 and the answer is - 8 find the number. ...” 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