x+7=8Move all terms not containing x to the right side of the equation.Tap for more steps…Subtract 7 from both sides of the equation.x=8-7Subtract 7 from 8.x=1x=1Since x=1 is a vertical line, there is no y-intercept and the slope is undefined.Slope: Undefinedy-intercept: No y-intercept Graph x+7=8