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Rezolvati: 1+2x=3-2x

Răspuns :

3-2x=1+2x
2x+2x=3-1
4x=2
x=2/4
x=1/2
x=0,5
 1 + 2x=3-2x
1+3=-2x+2x
4=4x
X=4/4= 1