3/5x21=3x

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Solution for 3/5x21=3x equation:


x in (-oo:+oo)

(3/5)*x^21 = 3*x // - 3*x

(3/5)*x^21-(3*x) = 0

(3/5)*x^21-3*x = 0

3/5*x^21-3*x = 0

3*x*(1/5*x^20-1) = 0

1/5*x^20 = 1 // : 1/5

x^20 = 5

x^20 = 5 // ^ 1/20

abs(x) = 5^(1/20)

x = 5^(1/20) or x = -5^(1/20)

3*x = 0

3*x = 0 // : 3

x = 0

x in { 5^(1/20), -5^(1/20), 0 }

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