# math

posted by
**Carmianerlo**
.

Let the Function a @ b be defined as 3a + 2b for all real numbers a and b.

If u and v are real #'s for which u and v = v @ u = 20.

What is the value of 2u @ 3V?

posted by
**Carmianerlo**
.

Let the Function a @ b be defined as 3a + 2b for all real numbers a and b.

If u and v are real #'s for which u and v = v @ u = 20.

What is the value of 2u @ 3V?