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8 - 3(2 - 4x ) = 3x - 16
Cum rezolv aceasta ecuatie?


Răspuns :

[tex]\displaystyle 8 - 3(2 - 4x ) = 3x - 16 \\ 8-6+12x=3x-16 \\ 12x-3x=-16-8+6 \\ 9x=-18 \\ x=- \frac{18}{9} \\ x=-2[/tex]
8 - 3(2 - 4x ) = 3x - 16
8 - 6 +12x  = 3x - 16
9x=-18
x=-2