Question

2x/15+3x/5+1,(6)x-0,4x-x=... /= supra si va rog rezolvare completa

Answer 1

2x/15+3x/5+1,(6)-0,4x-x=
2x/15+ amplificam cu 3 3x/5+ 16-1/9- 4/10-x=
2x/15+9x/15+simplificam cu 3 15/9- simplificam cu 2 4x/10 x-x=
11x/15+ amplificam cu  5 5/3- amplificam cu 3 2x/5-x=
11x/15+25/15-6x/15- amplificam cu 15 x=
5x/15+25/15+15x/15=
20x/15+25/15=
20x+25/15