posted by Maria .
how do i solve -9(w-3)=8w-7?
Multiply the -9 using the distributive law.
-9w + 27 = 8w -8
You have a couple choices here, but I would add 9w to both sides. This cancel with -9w leaving
27 = 17w -8
Add 8 to both sides and then divide both sides by 8 to solve for w.
Can you finish from here?