9/2y+12=-1 - solution

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Solution for 9/2y+12=-1 equation:

y in (-oo:+oo)

(9/2)*y+12 = -1 // + 1

(9/2)*y+1+12 = 0

9/2*y+13 = 0 // - 13

9/2*y = -13 // : 9/2

y = -13/9/2

y = -26/9

y = -26/9

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