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Rezolvati ecuatia: 2.5x-4.7=3(1.5x+2)

Răspuns :

2.5 x - 4.7= 6.5
2.5 x= 6.5+ 4.7
2.5 x= 11.2
x = 11.2/ 2.5= 4,48
2,5x-4,7=4,5x+2 2,5x-4,5x=2+4,7 -2x=6,7 X=6,7:2=3,35