## Algebra: A Combined Approach (4th Edition)

$\frac{1}{4}$x - 2y = 1 x - 8y =4 to the second equation solve x becouse add 8y to both sides x = 4 + 8y substitude x to the first equation $\frac{1}{4}$ ( 4 + 8y ) - 2y = 1 1 + 2y - 2y = 1 1 = 1 infinite number of solution