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rezolvati ecuatia:X,∈, Z 19-4(3x-8)=3

Răspuns :

CosmoteRo
19-12x+32=3
-12x=3-51
-12x=-48
x=4
[tex]\displaystyle 19-4(3x-8)=3 \\ 19-12x+32=3 \\ -12x=3-19-32 \\ -12x=-48 \\ x= \frac{-48}{-12} \\ x=4 [/tex]

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