Substitute the value of x in the example into the second
equation, y + 2x = 3. What value do you get for y? Is it
the same solution as in the example problem?

Nina has prepared the following two-column proof below. she is given that ∠oln ≅ ∠lno and she is trying to prove that ol ≅ on. triangle oln, where angle oln is congruent to angle lno nina made two errors in the proof. identify and correct the errors.