The answer to the question given 3x + y = 1, to solve for y in the other given y=-3x + 1, y = -3x -1 and y = 3x -1. This is the following steps for the equation: Step 1: add both sides with -3x to get 3x - 3x + y = 1 - 3x. the (3x - 3x) is equals to zero getting the equation of y = 1-3x.
