Use the distributive property to multiply 2 by .
Express as a single fraction.
Multiply 2 and -1 to get -2.
Add u to both sides.
Combine and u to get .
Subtract 8 from both sides.
Subtract 8 from 2 to get -6.
Multiply both sides by 3, which is the reciprocal of 1/3.
Multiply -6 and 3 to get -18.