Question

1+ [2+x] =9

A. X=7 or x = -11
B. X=5 or x= -9
C. X=4 or x= -8
D. X=6 or x= -10

Answer 1

X=6 if you simplify both sides of the equation

Answer 2

D is the correct answer, first you have to write to you equations 1+ the absolute value of 2+ X equals nine and 1+ the absolute value of 2+ X equals -9 then you must subtract one from both sides