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-5u-10=5u+30
Use the distributive property to multiply -5 by u+2.
-5u-10-5u=30
Subtract 5u from both sides.
-10u-10=30
Combine -5u and -5u to get -10u.
-10u=30+10
Add 10 to both sides.
-10u=40
Add 30 and 10 to get 40.
u=\frac{40}{-10}
Divide both sides by -10.
u=-4
Divide 40 by -10 to get -4.