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-4u(-2)=-30
We simplify the equation to the form, which is simple to understand
-4u(-2)=-30
Reorder the terms in parentheses
+(+8u)=-30
Remove unnecessary parentheses
+8u=-30
We move all terms containing u to the left and all other terms to the right.
+8u=-30
We simplify left and right side of the equation.
+8u=-30
We divide both sides of the equation by 8 to get u.
u=-3.75
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