Answer:
4w+3=19
4w=16
w=4
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
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