What is the x-intercept of y= - 2/5x-1

Which equation and solution can be used to solve this problem? thirteen less than a number is sixteen. 13-n=16: add 13 to both sides. the answer is 29. n+13=16: subtract 13 from both sides. the answer is 3. n+16=13 subtract 13 from both sides. the answer is 3. n-13=16: add 13 to both sides. the answer is 29.

Solve: 3x+y=6 4x-2y=18 show all work !

How far could you drive on 50 gallons of gas