Show that if a,b does not equal 0, then the line with x-intercept x=a and y-intercept y=b has the equation:

x/a + y/b = 1

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  1. x intercept: when y is zero
    x/a + 0=1, or x=a
    y intercept: when x is zero
    0+y/b=1, or y=b

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