Question

Помогите решить премеры:
0.2b-3b+0.08b;
-0.4y+2y+2/5y;
0.83y+0.56y-0.92y-0.83y;
8x-5y-7y;
1.5x+2y-3x-y;
-0.24+1.1/4n+0.12+1.25n;
(-0.3x+2)-(5-0.2x);
1/5y-(3y-4/5)+4

Answer 1

1)-2.72b
2)2y
3)0.38y
4)-4
5)-1.5x+y