Ask Question
11 October, 09:07

If the sum of twice a number and - 7 is increased by 8 the result is 16 greater than the opposite of the number. What is the number?

+1
Answers (1)
  1. 11 October, 10:43
    0
    2x + - 7 + 8 = - x+16

    2x + 1 = - x + 16

    2x + 1 - 1 = - x + 16 - 1

    2x+x = - x + x + 15

    3x = 15

    3x/3 = 15/3

    x = 5

    2 (5) + - 7 + 8 = - 5+16

    10 + - 7+8 = 11

    11=11
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “If the sum of twice a number and - 7 is increased by 8 the result is 16 greater than the opposite of the number. What is 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