You can put this solution on YOUR website!
That form of the equation is very user-friendly to find intercepts (x-intercepts and y-intercepts).
The x-intercept, is the value of x when the line crosses the x-axis, which is the horizontal line .
If you substitute in the equation given you get .
Dividing both sides by 3, you get . That's the x-intercept.
The line crosses the x-axis at (-4,0).