1/2(2a-6)=-5

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Solution for 1/2(2a-6)=-5 equation: 


a in (-oo:+oo)

(1/2)*(2*a-6) = -5 // + 5

(1/2)*(2*a-6)+5 = 0

1/2*(2*a-6)+5 = 0

1/2*(2*a-6)+5 = 0

a+2 = 0

a+2 = 0

a+2 = 0 // - 2

a = -2

a = -2

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