Answer:
-4=w
Step-by-step explanation:
-79=7w+12w-3
-79=19w-3
-79+3=19w-3+3
-76=19w
-76÷19=19w÷19
w = -4.
-79 = 7w + 3(4w - 1)
7w + 12w - 3 = -79
19w = -76