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Grade: 12

                        

|x-3|+ 2|x+1|=4 x=?

6 years ago

Answers : (2)

Sunil Kumar FP
askIITians Faculty
183 Points
							
204-235_20140315_121728.jpg

thanks and regards
sunil kr
askIItian faculty
6 years ago
Sher Mohammad
IIT Delhi
askIITians Faculty
174 Points
							for x>3
x-3+2x+2=4, 3x=5 , no solution
for x<-1
x-3+2x+2=-4, 3x=-3,

for -1=<x<3
-x+3+2x+2=4, x=-1

hence x=-1 is the only solution

sher mohammad
b.tech, iit delhi

6 years ago
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