Answer:
4w+3=19
4w=16
w=4
Step-by-step explanation:
w =4
19=10-5w+9w-7
Combine like terms
19 = 3 +4w
Subtract 3 from each side
19-3 = 3-3+4w
16 = 4w
Divide by 4
16/4 = 4w/4
4 =w
