,

Subtract from both sides of the equation.

Replace all occurrences of in with .

Simplify each term.

Apply the distributive property.

Multiply by .

Multiply by .

Subtract from .

Move all terms not containing to the right side of the equation.

Subtract from both sides of the equation.

Subtract from .

Divide each term by and simplify.

Divide each term in by .

Cancel the common factor of .

Cancel the common factor.

Divide by .

Dividing two negative values results in a positive value.

Replace all occurrences of in with .

Simplify each term.

Multiply .

Combine and .

Multiply by .

Move the negative in front of the fraction.

To write as a fraction with a common denominator, multiply by .

Combine and .

Combine the numerators over the common denominator.

Simplify the numerator.

Multiply by .

Subtract from .

The solution to the system of equations can be represented as a point.

The result can be shown in multiple forms.

Point Form:

Equation Form:

Solve by Substitution x+3y=4 , 2x-y=4