The point (2, 1) is a solution to which of the following systems of equations?

2x + y = 5 and −2x + y = 2

−2x − y = −5 and 2x − y = 2

−x + y = 3 and −3x + y = −5

x + y = 3 and 3x − y = 5

Question

The point (2, 1) is a solution to which of the following systems of equations?




2x + y = 5 and −2x + y = 2

−2x − y = −5 and 2x − y = 2

−x + y = 3 and −3x + y = −5

x + y = 3 and 3x − y = 5

wolfe8 · Answer

There is always the option of plucking in. That is, put in the values of x and y into each system and see if they are true.

anonymous · Answer

the answer that gives zero I think is the right equation

wolfe8 · Answer

Franklin that is if you arranged the equations to become homogeneous. It is not necessary. Just compare the LHS with whatever RHS you have.

anonymous · Answer

THANK YOU (: