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rezolvati ecuatia: 61supra 35 - 2x supra 35= 19 supra 35+22 supra 35

Răspuns :

61/35-2x/35=19/35+22/35 -4/7/-2/35=10
61/35-2x/35=19/35+22/35. \x35
61-2x=19+22
61-2x=41
2x=61-41
2x=20
x=20:2
x=10