keziahelaine keziahelaine

10-09-2021
Mathematics

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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

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ally7181 ally7181

11-09-2021

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

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bunkatetue bunkatetue

11-09-2021

X=6 if you simplify both sides of the equation

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