Algebra 2, 2008

 PAGE: 149 SET: Exercises PROBLEM: 1

The system of equations are .

------------------>      (1)

------------>            (2)

------------->       (3)

Use substitution to make a system of two equations in two variables.

Rewrite the equation .

Subtract 2y from each side.

Substitute  value in equation (3).

Subtract 12 from each side.

----------------->        (4)

Multiply equation (4) by 4.

-------------->      (5)

Divide each side by 19.

Substitute  value in .

Substitute  and value in equation (3).

Subtract 24 from each side.

The values are .

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