math help!?!?!?!?!?!?!?!?!




Look at this system of equations. How can the system be changed so that the two equations have equal x-coefficients?

3x + 2y = 12
6x + 3y = 21

A. Divide both sides of the top equation by 2
B. Multiply both sides of the top equation by 2
C. Divide both sides of the top equation by 3
D. Multiply both sides of the top equation by