Solve for u
u=\frac{1}{2}=0.5
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18-3u=19-5u
Add 14 and 4 to get 18.
18-3u+5u=19
Add 5u to both sides.
18+2u=19
Combine -3u and 5u to get 2u.
2u=19-18
Subtract 18 from both sides.
2u=1
Subtract 18 from 19 to get 1.
u=\frac{1}{2}
Divide both sides by 2.
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