What is the first step in solving the equation 3y + x = 6 for x?
A. Subtract 3y from both sides of the equation.
B. Subtract x from both sides of the equation.
C. Divide each side of the equation by 6.
D. Divide each side of the equation by 3.
I think the correct answer among the choices listed above is option A. The first step in solving the equation 3y + x = 6 for x is to Subtract 3y from both sides of the equation. Solving for x is as follows: