#BTS: If this then … what?

If you’ve been reading my solutions and justifications for previous puzzles, this week’s puzzle should not pose any challenge:

Here, now, the solution to last week’s puzzle:

Once more, we have a puzzle involving order of operations. There are neither parentheses nor exponents, so we go right on to multiplications (7 * 7 = 49) and divisions (7 / 7 = 1). On to additions and subtractions, giving us the following final calculation: 7 + 1 + 49 -7, which equals 50.