how do you solve an equation with letters on both sides

Question

example

y+1/2=-1/3(x+1/2)

Answer 1

You can't solve, but you can simplify.

3y + 3/2 = x + 1/2
x = 3y + 1

If you have another equation with x and y that also applies, you can substitute 3y +1 for x and solve for y. One that value is obtained, substitute it into the above equation to find x.

I hope this helps. Thanks for asking.