$\"\"$

\

System of equations are $\"\"$ and $\"\"$ .

\

The slope-intercept form of line equation is $\"\"$ .

\

Graph:

\

Graph the equations $\"\"$ and $\"\"$ .

\

$\"\"$

\

Observe the graph:

\

The graph appears to intersect at $\"\"$ .

\

$\"\"$

\

Check solution for $\"\"$ value.

\

Case (i):

\

$\"\"$ (Original equation)

\

$\"\"$ (Substitute $\"\"$ )

\

$\"\"$ (Multiply)

\

$\"\"$ (Subtract: $\"\"$ )

\

Case (ii):

\

$\"\"$ (Original equation)

\

$\"\"$ (Substitute $\"\"$ )

\

$\"\"$ (Multiply)

\

$\"\"$ (Subtract: $\"\"$ )

\

$\"\"$

\

The solution of the system is $\"\"$ .