1/2y+3=-7 - solution

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

y in (-oo:+oo)

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

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