2+1/2a=-4

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Solution for 2+1/2a=-4 equation: 


a in (-oo:+oo)

(1/2)*a+2 = -4 // + 4

(1/2)*a+2+4 = 0

1/2*a+6 = 0 // - 6

1/2*a = -6 // : 1/2

a = -6/1/2

a = -12

a = -12

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