1/2x-5/6y=21/2

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Solution for 1/2x-5/6y=21/2 equation: 


x in (-oo:+oo)

(1/2)*x-((5/6)*y) = 21/2 // - 21/2

(1/2)*x-((5/6)*y)-(21/2) = 0

(1/2)*x+(-5/6)*y-21/2 = 0

1/2*x-5/6*y-21/2 = 0 // + -5/6*y-21/2

1/2*x = -(-5/6*y-21/2) // : 1/2

x = (-(-5/6*y-21/2))/1/2

x = 2*(21/2-(-5/6*y))

x = 2*(21/2-(-5/6*y))

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