Algebra 1, 2007
23

 PAGE: 448 SET: Exercises PROBLEM: 23
Please look in your text book for this problem Statement

The equations of linear system are .

Since the coefficient of the y - term in two equations is same. So, eliminate these terms by subtracting the equations.

Write the equations in column form and subtract to eliminate variable y.

.

The resultant equation is and solve it for x.

Divide each side by 6.

Cancel common terms.

.

Substitute the value of in equation 1: and solve for y.

Add to each side.

Multiply each side by .

Cancel common terms.

.

The solution is .

The solution is .

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