Solve for w
w=-12.8
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-19=w-6.2
Multiply both sides of the equation by 2.
w-6.2=-19
Swap sides so that all variable terms are on the left hand side.
w=-19+6.2
Add 6.2 to both sides.
w=-12.8
Add -19 and 6.2 to get -12.8.
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