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9 votes
-3(x + 9) = 15
Enter value for x

2 Answers

11 votes

Answer:

x = -14

Explanation:

-3(x + 9) = 15

  1. -3 × x + -3 × 9 = 15
  2. -3x + (-27) = 15
  3. +27 on both sides
  4. -3x = 42

  5. ( - 3x)/( - 3) = (42)/( - 3)
  6. x = -14
User Chadwick Robbert
by
3.9k points
0 votes

Answer:

x = -14

Explanation:

  • -3(x + 9) = 15

Divide each side by -3.

  • -3(x + 9)/-3 = 15/-3
  • x + 9 = -5

Subtract 9 from each side.

  • x + 9 - 9 = -5 - 9
  • x = -14
User Bill Kindig
by
3.4k points