Answer:
3y+1
Step-by-step explanation:
4y+3-y-2
3y+3-2
3y+1
Zero
you can double check though
Answer:
16
Step-by-step explanation:
perimeter of B = 21
divide by 3 to get each side: 21/3 = 7 = Y
perimeter of hexagon is 50. subtract 2Y: 50 - 14 = 36
divide 36 by 4 to find X = 9
add X + Y
