Question

x + y + 3 + 3x + 2y + 5+ 4z

if x = 3
y = -1
z =2​

Answer 1

Answer:

25

Step-by-step explanation:

3-1+3+3(3)+2(-1)+5+4(2)

=3+3+9+5+8-1-2

=28-3

=25

Answer 2

Answer:

x+y+3+3x+2y+5+4z=20

Step-by-step explanation:

x=3, y=(-1), z=2

x+y+3+3x+2y+5+4z

=3+(-1)+3+3(3)+2(-1)+5+4(2)

=3-3+9-2+5+8

=0+7+13

=20