Https://www.symbolab.com/solver/algebra-calculator/x%2By%3Dz%3Bx
I believe the answer Is 35. I remember there bing some rule about it. I hope this helps and I’m sorry if I confused you my brain is a little fried.
Are the 63x and the y being added or multiplied?
400x=22,000
22,000/400=x
55=x Hopefully this is right, and hopefully this helps
It is asking you to convert them to different units of measurements.