Question

Find the x and y intercept of -3x+9y=18

Answer 1

-3x+9y=18
9y = 3x + 18
  y = 1/3 x + 2

x  intercept y = 0, then 
1/3 x + 2 = 0
1/3x = -2
     x = -6
so
(-6,0)

y intercept x = 0 then y = 2
(0,2)

answer
x  intercept: (-6,0)
y  intercept: (0,2)