Add to both sides of the equation.

Add to both sides of the equation.

Divide each term in by .

Cancel the common factor of .

Cancel the common factor.

Divide by .

Cancel the common factor of and .

Factor out of .

Cancel the common factors.

Factor out of .

Cancel the common factor.

Rewrite the expression.

Divide by .

Create a graph to locate the intersection of the equations. The intersection of the system of equations is the solution.

No solution

Solve by Graphing -2x+y=-1 -4x+2y=1