TrustinO185895 TrustinO185895
  • 03-11-2022
  • Mathematics
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Which of the following is(are) the solution(s) to 1 x +3 - 12?A. X - 9.-15B. X = 9C. X = 15.-9D. X = 15

Which of the following isare the solutions to 1 x 3 12A X 915B X 9C X 159D X 15 class=

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DimitriG206770 DimitriG206770
  • 03-11-2022

Answer:

x = 9, -15

Explanation:

The initial equation is |x + 3| = 12

It means that x + 3 = 12 or -(x + 3) = 12

Then, we can solve each equation to get:

x + 3 = 12

x + 3 - 3 = 12 - 3

x = 9

-(x + 3) = 12

- x - 3 = 12

- x - 3 + 3 = 12 + 3

- x = 15

-1(-x) = -1(15)

x = -15

Therefore, the solutions are x = 9 and x = -15

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