Equation (1) ,(2),and (3) are the form of linear equation.
A linear relationship (or linear association) is a statistical term used to describe a straight-line relationship between two variables. Linear relationships can be expressed either in a graphical format or as a mathematical equation of the form y = mx + b. (1). 5+2y= 13 2y=13-5 2y= 8 y=4. So this is the form of mx+b Where b=4 and x=0. (2). y = x²³+7 It is the form of mx+b . where mx = x²³ and x=7
(3). y-5= 2(x-1) y-5 = 2x-2 y=2x-2+5 y=2x+3 It is completely the form of mx+b . where m= 2 and b = 3.
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