Solve for y.
Move all terms not containing x to the right side of the equation.
Add 4 to both sides of the equation.
Add 3 and 4.
Divide each term by 5 and simplify.
Divide each term in 5x=7 by 5.
Cancel the common factor of 5.
Cancel the common factor.
Divide x by 1.
Since x=75 is a vertical line, there is no y-intercept and the slope is undefined.
y-intercept: No y-intercept