Solve for u
u = \frac{33}{14} = 2\frac{5}{14} \approx 2.357142857
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12-u=-15u+45
Multiply both sides of the equation by 5.
12-u+15u=45
Add 15u to both sides.
12+14u=45
Combine -u and 15u to get 14u.
14u=45-12
Subtract 12 from both sides.
14u=33
Subtract 12 from 45 to get 33.
u=\frac{33}{14}
Divide both sides by 14.
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