Answer:
-200
Step-by-step explanation:
[tex]- \frac{x}{10} - 4 =16[/tex]
make x subject of formula
[tex]-\frac{x}{10} = 16 +4\\[/tex]
[tex]-\frac{x}{10} = 20\\[/tex]
[tex]x = 20 * -10\\[/tex]
x = -200
