5/2x-9/2=21/2

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Solution for 5/2x-9/2=21/2 equation: 


x in (-oo:+oo)

(5/2)*x-(9/2) = 21/2 // - 21/2

(5/2)*x-(9/2)-(21/2) = 0

(5/2)*x-9/2-21/2 = 0

5/2*x-15 = 0 // + 15

5/2*x = 15 // : 5/2

x = 15/5/2

x = 6

x = 6

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