,

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

Add to both sides of the equation.

Subtract from both sides of the equation.

Divide each term by and simplify.

Divide each term in by .

Cancel the common factor of .

Cancel the common factor.

Divide by .

Move the negative in front of the fraction.

Factor the equation.

Apply the distributive property.

Simplify.

Multiply .

Combine and .

Multiply by .

Combine and .

Multiply .

Multiply by .

Combine and .

Simplify each term.

Move the negative in front of the fraction.

Multiply by .

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

Combine and .

Combine the numerators over the common denominator.

Combine the numerators over the common denominator.

Combine the numerators over the common denominator.

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

Combine and .

Combine the numerators over the common denominator.

Rewrite in a factored form.

Multiply by .

Move to the left of .

Multiply by .

Add and .

Subtract from .

Solve the equation.

Multiply both sides of the equation by .

Remove parentheses.

Multiply by .

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

Subtract from both sides of the equation.

Add to both sides of the equation.

Subtract from .

Combine fractions with similar denominators.

Subtract from .

Subtract from .

Add and .

Reduce the expression by cancelling the common factors.

Factor out of .

Factor out of .

Cancel the common factor.

Rewrite the expression.

Divide by .

Reorder and .

Solve in Terms of the Arbitrary Variable z 2x-y+z=9 , 3x-y+z=3