3a-20=a/2 - solution

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Solution for 3a-20=a/2 equation:

a in (-oo:+oo)

3*a-20 = a/2 // - a/2

3*a-(a/2)-20 = 0

5/2*a-20 = 0 // + 20

5/2*a = 20 // : 5/2

a = 20/5/2

a = 8

a = 8

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