Question

Which strategies could be used for solving the following system of equations? 2x + y = 4 x - y = 2

A. Graph both equations on the coordinate plane and find the point of intersection.
B. Solve the first equation for y and then substitute that expression into the second equation.
C. Add the two equations together resulting in an equation with one variable.
D. a, b, and c are all correct.

Answer 1

option D

Answer 2

@bree_ramos