Solve for u
u=-2
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8-4u=16
Multiply 4 and 2 to get 8.
-4u=16-8
Subtract 8 from both sides.
-4u=8
Subtract 8 from 16 to get 8.
u=\frac{8}{-4}
Divide both sides by -4.
u=-2
Divide 8 by -4 to get -2.
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