3x+(-4)=2v+9 for y

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3x+(-4)=2v+9

3x + (-4) = 2v + 9                    dissolve clip

3x - 4 = 2v + 9                        [ + 4

3x = 2v + 9 + 4

3x = 2v + 13                           [ / 3

x = (2/3)v + 13/3 

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