Туюнтмаларды жөнөкөйлөтүү (harder)

 $-q+8q+5q+2q+7-q=$  

 $-9+8+3+5-6-6c-8=$  

 $4-d-1-2d+3d-1+9=$  

 $-5n+2n+8+8+9n-3-n-8-5+6=$  

 $6d-7+2d+9d+8-6+2d-3d-4=$  

 $3q-3+3q-8q+7q-3+6q-4+q=$  

 $6+7p-6p-5+7p-8=$  

 $7s-7s-7s-s+s-s-1=$  

 $5-6b-5b+3-8+9+3-5b+9-3b=$  

 $-5+3x-2+3-6x-7=$