Answer:
u = -25/7
Explanation:
-7(u + 3) = 4
-7u -21 = 4 (distribute the -7)
-7u = 25 (add 21 to get -7u by itself)
u = -25/7 (divide by -7 by both sides to find the value of u)
5.8m questions
7.6m answers