Question

Solve the equation.



|x + 5| = 9









A.

{–14, 4}








B.

{–14, –4}








C.
{4, 14}







D.

{–4, 14}

Answer 1

|A| = B means A = +B or A = -B

|x + 5| = 9 means x + 5 = 9 or x + 5 = -9
x = 9 - 5 = 4
x = -9 - 5 = -14

x = { -14, 4 }