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va rog repedeeeeeeee​

Va Rog Repedeeeeeeee class=

Răspuns :

x-15+3x+3=5x-10+11

4x-18=5x+21

-x=21+18

-x=39

x-15+3x+3=5x-10+11

x+3x-5x=-10+11-3+15

-x=13

x=-13