math
posted by stephanie .
each variable represents one number.
find the value of each variable.
a+5=11
ab=2
3xc=12
c divide d=4

a + 5 = 11
a  b = 2.
a = 11  5 = 6.
6  b = 2,
b = 6  2 = 4.
3c = 12
c/d = 4.
3c = 12,
C = 4.
4/d = 4,
4d = 4,
d = 1.