7x-48/3 + 6x+1/5 = 3x - 31-x/2

7x-16+6x+0,2=3x-31-x/2 /*2 14x-32+12+0,4=6x-62 8x-19,6=-62 8x=-42,4 x=-5,3

7x-48/3 + 6x+1/5 = 3x - 31-x/2 |*30 210x-480+180x+6=90x-930-15x 210x+180x-90x+15x=-930+480-6 315x=-456 x=-456/315=-1 i 141/315