Solve for u
u=5
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-4u+12=-8u+32
Use the distributive property to multiply -8 by u-4.
-4u+12+8u=32
Add 8u to both sides.
4u+12=32
Combine -4u and 8u to get 4u.
4u=32-12
Subtract 12 from both sides.
4u=20
Subtract 12 from 32 to get 20.
u=\frac{20}{4}
Divide both sides by 4.
u=5
Divide 20 by 4 to get 5.
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