Answer:
see explanation
Step-by-step explanation:
9W + 1 = 19 ( subtract 1 from both sides )
9W = 18 ( divide both sides by 9 )
W = 2
-5.5m-4n+11.8
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Step-by-step explanation:.././././..././..././//...../
Is the answer 25? Thats what I got.