-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-4-2 = 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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