5/2y=21-3x

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


x in (-oo:+oo)

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

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

3*x+5/2*y-21 = 0 // - 5/2*y-21

3*x = -(5/2*y-21) // : 3

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

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

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

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