4+6a+2a=-12

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Solution for 4+6a+2a=-12 equation: 


a in (-oo:+oo)

6*a+2*a+4 = -12 // + 12

6*a+2*a+4+12 = 0

8*a+16 = 0 // - 16

8*a = -16 // : 8

a = -16/8

a = -2

a = -2

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