1/2a+0.4=-0.7-6a

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Solution for 1/2a+0.4=-0.7-6a equation: 


a in (-oo:+oo)

(1/2)*a+0.4 = -(6*a)-0.7 // + -(6*a)-0.7

(1/2)*a+6*a+0.4+0.7 = 0

13/2*a+1.1 = 0 // - 1.1

13/2*a = -1.1 // : 13/2

a = -1.1/13/2

a = -0.16923077

a = -0.16923077

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