1/2y+12=-3 - solution

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Solution for 1/2y+12=-3 equation:

y in (-oo:+oo)

(1/2)*y+12 = -3 // + 3

(1/2)*y+3+12 = 0

1/2*y+15 = 0 // - 15

1/2*y = -15 // : 1/2

y = -15/1/2

y = -30

y = -30

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