3/4*a-3=9 - solution

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Solution for 3/4*a-3=9 equation:

a in (-oo:+oo)

(3/4)*a-3 = 9 // - 9

(3/4)*a-9-3 = 0

3/4*a-12 = 0 // + 12

3/4*a = 12 // : 3/4

a = 12/3/4

a = 16

a = 16

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