Find a solution to the following system of equations. -2x + y = -3 and -x + 2y = 3

2x-y-3-and-x-2y-3

#1

Find a solution to the following system of equations.
-2x + y = -3 and -x + 2y = 3

Answer:

y=2x−3−x+2y=3

Plug in the first equation into the second. Use substitution.

−x+2(2x−3)=3−x+4x−6=33x=9x=3

Substitute in x to solve for y.

y=2(3)−3=3

Solution: (3,3)