Given that x + y = 180, p + q = 180, and p = x. Show that y = q.
Which step would be used to prove the argument?
x + p = 180
x + y = p + q
y + q = 180
2x + 2y = 180
Which step would be used to prove the argument?
x + p = 180
x + y = p + q
y + q = 180
2x + 2y = 180