Answer:
[tex]u = -45[/tex]
Step-by-step explanation:
Step 1: Multiply both sides by -9/2
[tex]-\frac{2}{9}u = 10[/tex]
[tex]-\frac{9}{2} *-\frac{2}{9}u = 10 * -\frac{9}{2}[/tex]
[tex]u = -\frac{90}{2}[/tex]
[tex]u = -45[/tex]
Answer: [tex]u = -45[/tex]
