The slope-intercept form is y=mx+b y = m x + b , where m m is the slope and b b is the y-intercept. Add 8x 8 x to both sides of the equation. Divide each term in 8y=16+8x 8 y = 16 + 8 x by 8 8 and simplify. Divide each term in 8y=16+8x 8 y = 16 + 8 x by 8 8 .