Answer:
4) d = 1
5) w = 11
6) q = 120
Explanation:
4)
Adding 5 on both the sides ,
Dividing both the sides by 9 ,
5)
Substracting 6 from both the sides ,
Dividing both the sides by -3 ,
6)
Adding 19 on both the sides ,
Multiplying both the sides by 8 ,