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Are you sure this is linear equation or linear function? I'm pretty sure your examples are linear functions.. Linear equations are solved like so: Solve for x and y: [COLOR="Red"]x+2y=8[/COLOR] [COLOR="red"]3x-2y=0[/COLOR] Elimination: [COLOR="Green"] x+2y=8[/COLOR] + [U][COLOR="green"] 3x-2y=0[/COLOR][/U] [COLOR="green"] [U]4x[/U] =[U]8[/U][/COLOR] [COLOR="green"] 4 4[/COLOR] [COLOR="Red"] x=2[/COLOR] Solve for y using x=2: …
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