7x-9=x/4 - solution

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Solution for 7x-9=x/4 equation:

x in (-oo:+oo)

7*x-9 = x/4 // - x/4

7*x-(x/4)-9 = 0

27/4*x-9 = 0 // + 9

27/4*x = 9 // : 27/4

x = 9/27/4

x = 4/3

x = 4/3

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