# math 1A

posted by
**stephanee**
.

hey im having trouble with these math problem .

if a=2 and d=7

6d-3a =?

how do you solve and get the answer ?

posted by
**stephanee**
.

hey im having trouble with these math problem .

if a=2 and d=7

6d-3a =?

how do you solve and get the answer ?