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on the board is an equation in
slope-intercept form
y equals 2x minus 6.
in order to find the intercept
we replace y with zero
and work out the problem from there
our equation becomes zero equals two x
minus six
our goal is to isolate the x so the
first thing we're going to do
is add 6 to each side of the equation
when we do this the 6's on the right
side of the equation cancel each other
out
we add 6 to 0 on the left side of the
equation and get a simplified version
now all we do is divide six by two and
two by two to get our final answer of x
equals three in other words our x
intercept is three if we wanted to plot
this on a graph
our coordinate pair would be three and
zero
you
