1/2x+6=7/2x-21

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Solution for 1/2x+6=7/2x-21 equation: 


x in (-oo:+oo)

(1/2)*x+6 = (7/2)*x-21 // - (7/2)*x-21

(1/2)*x-((7/2)*x)+6+21 = 0

(1/2)*x+(-7/2)*x+6+21 = 0

27-3*x = 0 // - 27

-3*x = -27 // : -3

x = -27/(-3)

x = 9

x = 9

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