pre algebra
posted by alliah .
How do you solve linear equations like 4x5y5 and or 5y25=x

It depends on what you mean by "solve". Do you mean solve for y?
The first is not an equation, there is no equal sign.
The second
add 5y to each side
25=x+5y
add x to each side
5y=x25
divide each side by 5
y= x/5  5