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rezolvati ecuatia:25-3x=17-x

Răspuns :

25-17=3x-x
8=2x
x=4
succes!

6x+10=2x+50
6x-2x=50-10
4x=40
x=10

2x+6+17=59
2x=59-23
2x=46⇒x=23

7x-14+9=44
7x=44+14-9
7x=49⇒x=7

10x-55+17=52
10x=52+55-17
10x=90⇒x=9

34x+51-25=366
34x=366-51+25
34x=340⇒x=10