To solve this problme you must apply the proccedure shown below:
 1. To find the x-intercept y must be zero, so, you have:
 −75x − 4y = 7
 y=0
 −75x=7
 x=-7/75 (x-intercept)
 2. To find the y-intecept x must be zero, then, yo have:
 x=0
 −75x − 4y= 7
 -4y=7
 y=-7/4 (y-intercept)
