Answer :
-45
X intercept is just like the Y intercept except you're looking for the intersection of the line where Y = 0, instead of X=0. So take the expression, substitute the value 0 for Y, and then solve for X. So
1/3x + y = -15
1/3x + 0 = -15
x = -45
So the X intercept is -45.
X intercept is just like the Y intercept except you're looking for the intersection of the line where Y = 0, instead of X=0. So take the expression, substitute the value 0 for Y, and then solve for X. So
1/3x + y = -15
1/3x + 0 = -15
x = -45
So the X intercept is -45.
