Work out linear equations easily from two points - Videos

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Linear equations are easy to work out using a little trick of y = mx + b. Work out the gradient (easy) then substitute x y values to finalise the equation (really easy).

Linear equations playlist here : https://www.youtube.com/playlist?list=PLjbxBzUM6SLlCAbXitLr5O6Kurh69O2k9

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