a) x= L- 3K
x= 9F-E
x= H-4G
x= 8R-3P
b) x= D+ 7C
x= N+5M
x= R+3P
x=9B+4A
c) 7 MX=/:7M x= N/7M
3PX=R/:3P x= R/3P
PX=2R/:P x= 2R/P
3KX=2L/:3K x= 2L/3K
d) X/A= 1/2B /*A x= 1/2BA x= 1/2AB
X/A= 6B/* A x= 6BA x= 6AB
x/5T= U/*5T x= 5TU
X/2M=5N/*2M x= 5N*2M x= 10MN
