2x=3-y so collect the likes term which is xy= 3\2
Its is 9 cm. I know because the 13 cm side isn't equivalent to the 13 cm side so if you measure it like i did you will get the answer 9cm.
Answer:
12
Step-by-step explanation:
each letter can be used with each other 3 times and there are 4 letters so 12