|x-3|+ 2|x+1|=4
x=?
ashu Joshi , 12 Years ago
Grade 12
Algebra> |x-3|+ 2|x+1|=4 x=?...
2 Answers
Sunil Kumar FP
thanks and regards
sunil kr
askIItian faculty
Sher Mohammad
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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