Equation 1: A [-4x+7y=4]
Equation 2: B [3x-3y=6]
Think about using the elimination method to solve this system.

Question 1: If you wanted to eliminate the x variables with the lowest common value by multiplying each equation by numbers A and B, the value of A must be ______ and the value of B must be ______.

Question 2: If you wanted to eliminate the y variables with the lowest common value by multiplying each equation by numbers A and B, the value of A must be ______ and the value of B must be _____.