$3g-g-g=$  

(a)  

 $-8n-5n-4n=$  

(a)  

 $-3d+6d-1=$  

(a)  

 $-7h+8h+2h=$  

(a)  

 $4h+4h+6=$  

(a)  

 $8z+6z+7z=$  

(a)  

 $4p+4p+8p=$  

(a)  

 $-4v+8v+9v=$  

(a)  

 $-4a-5a-9=$  

(a)  

 $3y+6+8y+8=$  

(a)  

 $-3+5+5f+6=$  

(a)  

 $7+8g+2-2g=$  

(a)  

 $-3-9b-4b-3b=$  

(a)  

 $3+7j+4j+6j=$  

(a)  

 $-3+6-4r+7=$  

(a)  

 $-8z+6z+3z+4=$  

(a)  

 $-9f-4f-9f+2=$  

(a)  

 $4f-2f+2+2=$  

(a)  

 $-3+4+9t+1=$  

(a)