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(x-2)+2x(x+1)=16-5x

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Răspuns :

Răspuns:

x-2+2x+2=16-5x

3x=16-5x

separam termenii:

3x+5x=16

8x=16

x=2

Răspuns:

(x-2)+2·(x+1)=16-5x

x-2+2x+2=16-5x

3x=16-5x

3x+5x=16

8x=16

x=16:8

x=2