Question

10. Add 3 xyz, 12 xyz and - 4 xyz and subtract it
From the sum of (7 xyz - 15 xyz )​

Answer 1

Answer:

3xyz + 12xyz-4xyz

= 15 xyz -4xyz

then,

(15xyz-4xyz)+(7xyz-15xyz)

=15xyz-4xyz+7xyz-15xyz

=7xyz-4xyz

=3xyz