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Rezolvați in R ecuatia a) (4x-3)×(-3)=6x+23

Răspuns :

-12x+9=6x+23
-12x-6x=23-9
-18x=14
x=14/18
(4x - 3) · (-3) = 6x + 23 
-12x + 9 = 6x + 23 /-9
-12x = 6x + 14 /-6x
-18x = 14 /:(-18)
x = 14 : (-18) = [tex]-\frac{7}{9}[/tex]

/robertinni