👤

2x-6=14-2x
(x+25)-(x-12)=13






in multimea N si apoi in Z
1-8x=x-5


Răspuns :

2x-6=14-2x
2x+2x=6+14
4x=20=>x=5

(X+25)-(x-12)=x+25-x+12= 25+12=37
1-8x=x-5
-8x-x=-1-5
-9x=-6
x=6/9
x=2/3

Sper ca te-am ajutat!