1/2y-5=-7

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Solution for 1/2y-5=-7 equation: 


y in (-oo:+oo)

(1/2)*y-5 = -7 // + 7

(1/2)*y-5+7 = 0

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

1/2*y = -2 // : 1/2

y = -2/1/2

y = -4

y = -4

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