Question 476529
Express the equation in intercept form {{{x/a + y/b = 1}}}

Divide both sides by -21:

{{{(3x)/(-21) + (-6y)/(-21) = 1}}}

<==>{{{x/(-7) + (2y)/7 = 1}}}
<==>{{{x/(-7) + y/(7/2) = 1}}}

Therefore the x-intercept is (-7,0), and the y-intercept is (0,7/2).