Question

-9w - 6 + 7w = 16 solve for w

Answer 1

-9w - 6 + 7w = 16....combine like terms
-2w - 6 = 16...add 6 to both sides
-2w = 16 + 6
-2w = 22 ..divide both sides by -2
w = -22/2 reduces to - 11 <==

Answer 2

-9w - 6 + 7w = 16
Add 7w to -9w
-2w - 6= 16
Add 6 to both sides
-2w= 22
Divide both sides by -2 so that the only thing remaining on the left side is the variable w.
Final Answer: -11