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Rezolvati in R ecuatia:2x +(3-6x)=-17

Răspuns :

2x +(3-6x)=-17
2x +3-6x=-17
2x -6x=-17-3

-4x=-20

x=-20/-4

x=5
2x +(3-6x)=-17
2x +3-6x=-17
2x -6x=-17-3
-4x=-20
x=-20/(-4)
x=5