1/2y-3=7

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Solution for 1/2y-3=7 equation: 


y in (-oo:+oo)

(1/2)*y-3 = 7 // - 7

(1/2)*y-7-3 = 0

1/2*y-10 = 0 // + 10

1/2*y = 10 // : 1/2

y = 10/1/2

y = 20

y = 20

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