Question

Given: 3x + y = 1.  Solve for y.  A. y = -3x + 1 B.y = -3x - 1 C.y = 3x - 1

Answer 1

Y=-3x+1
So the answer is A. All you're doing is moving the 3x to the opposite side, and because your switching the side, you need to switch the sign. So it's a negative 3x after you solve for y. Solving for y(or any letter) is just getting that letter alone on one side of the equal sign.