=a-b-4x+8x+4a+8b-a=4a+7b+4x
Ответ:
1 50% 2 20%............
-x=-20+144
x=20-144
x=-124
32:b=64:8
32:b=8
b=32:8
b=4
y:4=49:7
y:4=7
y=7*4
y=28
380-b=330-175
380-b=155
b=380-155
b=225
m+32=185-143
m+32=42
m=42-32
m=10