Answer:
21
Step-by-step explanation:
y+3x+2y-z
3+3(6)+2(3)-6 First fill in Y and Z
3+18+6-6 Multiply 3x6 is 18 and 2x3 is 6 so fill that in
21+6-6 add 18+3 is 21+6 is 27
27-6 Subtract 27-6 is 21
=21 Answer
