Respuesta :

Answer:

w = -19

Step-by-step explanation:

Move the 6w to the left and 7 to the right.

4w-6w=31+7

Combine like terms

-2w=38

Divide by negative 2.

w=-19

4w - 6w = 31 + 7
-2w = 38
-2w/-2 = 38/-2
w = -19