Question

Rezolvati ecuatiile :
2(x-2,5)=4;
2,25x=14;
6-3(x-1)=9
2,3+4,5x=7 va rog repede

Answer 1

2(x-.5)=4   2x=14 x=7,,2,25x=14   x=14oo\225 , 6-3(x-1)=9 6-3x-3=9  

-3x=9+6-6   x=-3

4,5x=7-2,3    4,5x=4,7    x=47\45