Question

9.
If X=6a+8b+9c;y=2b-3a and Z=c-b+3a;find:x-y+z​

Answer 1

Answer:

x= 6a+8b+9c

y= 2b-3a

z= c-b+3a

x-y+z

=(6a+8b+9c)-(2b-3a)+(c-b+3a )

=6a+8b+9c-2b+3a+c-b+3a

=(6a+3a+3a)+(8b-2b-b)+(9c+c)

=12a+5b+10c

Step-by-step explanation Hope it helped!!!