Răspunsuri

2014-05-12T22:22:09+03:00
24(4x+1)-20(5x+1)=15(x+1)-120·3
96x+24-100x-20=15x+15-360
-4x+4=15x-345
-4x-15x=-345-4
-19x=-349    ·(-1)
x=349/19