Question

From the sum of 3x-2y+4z and 3y-2z,subtract x-y-z​

Answer 1

Step-by-step explanation:

(3x-2y+4z)+(3y-2z)

=3x-2y+3y+4z-2z

=3x+y+2z

now,

( 3x+y+2z )-(x-y-z)

=3x+y+2z-x+y+z

=3x-x+y+y+2z+z

=2x+2y+3z