3a+12-a/2=27 - solution

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Solution for 3a+12-a/2=27 equation:

a in (-oo:+oo)

3*a-(a/2)+12 = 27 // - 27

3*a-(a/2)-27+12 = 0

5/2*a-15 = 0 // + 15

5/2*a = 15 // : 5/2

a = 15/5/2

a = 6

a = 6

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