4x-4/5=21/5 - solution

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Solution for 4x-4/5=21/5 equation:

x in (-oo:+oo)

4*x-(4/5) = 21/5 // - 21/5

4*x-(4/5)-(21/5) = 0

4*x-4/5-21/5 = 0

4*x-5 = 0 // + 5

4*x = 5 // : 4

x = 5/4

x = 5/4

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