Ernesto loses 14.5 lbs in 7 months. Now he weighs 156.5 lbs. which equation can be used to find how much he weighed before?

Answer 1

156.5 lbs + 14.5 lbs = x

x = 171 lbs

Answer 2

I think more in the spirit of the question,
x - 14.5 = 156.5