2x+3=0 ==>x=-3/2
------(-3/2)+++++++
Se x<-3/2
-(3x-1)=-(2x+3)
3x-1=2x+3
x=4
Se -3/2 =<x<1/3
-(3x-1)=2x+3
-3x+1=2x+3
5x=-2
x=-2/5
Se x>=1/3
Resp:{-2/5,4}
Ola Joao
3x - 1 = 2x + 3
x = 4
3x - 1 = -2x - 3
5x = -2
x = -2/5
pronto
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Verified answer
2x+3=0 ==>x=-3/2
------(-3/2)+++++++
Se x<-3/2
-(3x-1)=-(2x+3)
3x-1=2x+3
x=4
Se -3/2 =<x<1/3
-(3x-1)=2x+3
-3x+1=2x+3
5x=-2
x=-2/5
Se x>=1/3
3x-1=2x+3
x=4
Resp:{-2/5,4}
Ola Joao
3x - 1 = 2x + 3
x = 4
3x - 1 = -2x - 3
5x = -2
x = -2/5
pronto