Answers edited by Eswer S.
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How do you solve #x - 2y = -2# and #y = 2x + 4# by substitution?
What is the equation of the line passing through #(-1,-1)# and #(1,14)#?
How do solve the following linear system?: # -9x + 6y = -2 , 4x-2y=-2 #?