Question

please tell the answer​

Answer 1

Answer:

zero

Step-by-step explanation:

zero is answer

for more details see the image

hope it is helpful

Answer 2

Answer:

6x +6y = 90

6x + 5y = 180 -95

6y - 5y = 5

y= 5

x = 90 - 30 /6 = 10