Question

using the elimination method, what is the first step you would use to solve this system of equations?A.) Add the equations to eliminate yB.) Subtract the equations to eliminate yC.) divide the equations to eliminate yD.) solve the first equation for y

Answer 1

The correct answer is B) subtract the equations to eliminate y

there is a positive y in both equations. so, to eliminate it, we just rest one equation to another, and automaticaly, y gets eliminated: