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Cum sa rezolv in R ecuatia?
|2x+5|=6 ?
|x-3|=2x+7


Răspuns :

|2x+5\=2x-5
2x-5=6
2x=1(6-5)
x=2:1=2
x+3=2x+7
3x=4(7-3)
x=4:3=1,(3)