Ask Question
17 October, 08:26

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

find the number.

+2
Answers (1)
  1. 17 October, 09:44
    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?
Get 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 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