3x-2/5=21/15

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Solution for 3x-2/5=21/15 equation: 


x in (-oo:+oo)

3*x-(2/5) = 21/15 // - 21/15

3*x-(2/5)-(21/15) = 0

3*x-2/5-7/5 = 0

3*x-9/5 = 0 // + 9/5

3*x = 9/5 // : 3

x = 9/5/3

x = 3/5

x = 3/5

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