The options indicate that the question is to find the value of w in terms of x and y.
Given: x = 3(y + w) - 1
Expand the parenthesis (distgributive property) => x = 3y + 3w - 1
Transpose terms => 3w = x - 3y + 1
Divide by 3 => w = (x - 3y + 1) / 3
Answer: x = (x -3y + 1) / 3
