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Put equations in "slope-intercept" form

y = mx + b

Solve using the graphing calculator

Put in the calculator under y =

Where the two lines intersect is the solution

Once in y = , hit 2nd trace, #5, enter, enter, enter. It will say intersection. Remember if you don't see the intersection point you may have to zoom out.

Finding the solution given a graph

Look for where the two lines intersect, that point (x, y) is the solution

y = 3/2x - 2

Put in slope-intercept form: 3x - 2y = 4

y = -x + 3

Put in slope-intercept form: x + y = 3

If you have graph paper or a graph

graph them and find the point where they intersect

parallel lines

2 lines that never cross/intersect and stay the same distance apart

Same line

Infinitely many solutions