Solve for w
w=-102.4
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-119.2=-16.8+w
Multiply both sides of the equation by 8.
-16.8+w=-119.2
Swap sides so that all variable terms are on the left hand side.
w=-119.2+16.8
Add 16.8 to both sides.
w=-102.4
Add -119.2 and 16.8 to get -102.4.
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