Question 25321
First, get rid of the brackets so that we just have a collection of terms to add or subtract...


8(4-u)+u=8+u
32-8u+u = 8+u


Now collect like terms (i shall do it in 2 stages)
32-7u = 8+u
and then
32-8u = 8
-8u = -24


Now divide by -8 to find what u is:
u = -24/-8
u = +3


jon.