Answer:
Assuming you want to find u, u = 9.29
Step-by-step explanation:
u - 5.3 = 3.99
Add 5.3 to both sides.
u = 3.99 + 5.3
u = 9.29
5
its 5
2 : 14
x=-4
x - 2x - 5 +4x = 7 + 6x
3x - 5 = 7 +6x
-3x -3x
-5 = 7 + 3x
-7 -7
-12 = 3x
-12/3= 3x/3
-4 = x
