y1+x2=90 solve
insert the missing operators
^ for powers: x^2 = x squared
/ for divison
so, do you mean
y^1 + x^2 = 90
or
y/1 + x/2 = 90
or what?
And solve for x or y?
I don't mind finding answers, but I hate to have to figure out the question as well !!