How do you find the slope and yintercept out of this equaiton? 5x + 3y = 9 Slopeintercept form is y = mx + b m is the slope {number in front of x} b is the yintercept {number without a variable} 5x + 3y = 9 3y = 5x + 9 {subtracted 5x from both sides} y = (5/3)x + 3 {divided both sides by 3} slope =  5/3 yintercept = 3 © Algebra House
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