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x > 0
(3x + 2) = 5
3x = 3
x = 1
x < 0
- (3x + 2) = 5
- 3x - 2 = 5
- 3x = 7
x = - 7/3
3x+2=5
3x=5-2
3x=3
x=3:3
x=1
mari hitung
3x+2=5
3.1+2=5
3+2=5
5=5