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Cel mai inteligent răspuns!
2014-05-02T20:57:10+03:00
 Aducem la acelasi numitor si avem :

12+5(3x-2)=26-4(2x-4) ⇒ 12+15x-10=26-8x+16 ⇒ 15x+8x=26+16+10-12 ⇒ 23x=40 ⇒ x= 40 / 23
1 5 1
2014-05-02T20:57:33+03:00
6 + (15x-10)/2  = 12- (4x-8)   aducem la acelasi numitor
12+15x-10=24-2(4x-8)
2+15x=24-8x+16
2+15x=8-8x
15x+8x=8-2
23x=6
x=6/23