21=(3x+5/5)-4

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Solution for 21=(3x+5/5)-4 equation: 


x in (-oo:+oo)

21 = 3*x+5/5-4 // - 3*x+5/5-4

4-(3*x)-(5/5)+21 = 0

4-3*x-1+21 = 0

24-3*x = 0 // - 24

-3*x = -24 // : -3

x = -24/(-3)

x = 8

x = 8

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