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

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

Grade:12

2 Answers

Sunil Kumar FP
askIITians Faculty 183 Points
7 years ago

204-235_20140315_121728.jpg

thanks and regards
sunil kr
askIItian faculty
Sher Mohammad IIT Delhi
askIITians Faculty 174 Points
7 years ago
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

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