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Loredanapasca
a fost răspuns

rezolvati ecuatiile 2x-8=23, 9-3x=2x+15, 7x-3*6=2x+9:3. Oricare va rog

Răspuns :

Uuuuitsmee
2x-8=23
2x=31
x=31/2

9-3x=2x+15
9-15=2x+3x
-6=5x
x= (-6)/5

7x-3×6=2x+9÷3
7x-2x=3+18
5x=21
x=21/5
Antonelascorpio
2x-8=23,2x=23+8,2x=31,x=31|2=15,5. 9-3x=2x+15,9_15=2x+3x ,5x=_6x=1.2 7x-3*6=2x+9|3 7x-18=2x+3 7x-2x=18_3 5x=15 x=3

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