Solve for a.
4/a+4 =-1/a+9
![Solve for a 4a4 1a9 class=](https://us-static.z-dn.net/files/db2/773bcf89028de2e5fb9ab81020816417.png)
Answer:
a = -8
Step-by-step explanation:
you can solve this proportion by cross-multiplying:
4(a + 9) = -1(a + 4)
now distribute to eliminate parentheses
4a + 36 = -1a - 4
5a + 36 = -4
5a = -40
a = -8