9+1/2a=11

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Solution for 9+1/2a=11 equation:


a in (-oo:+oo)

(1/2)*a+9 = 11 // - 11

(1/2)*a-11+9 = 0

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

1/2*a = 2 // : 1/2

a = 2/1/2

a = 4

a = 4

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