a+8/3-21=-9 - solution

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Solution for a+8/3-21=-9 equation:

a in (-oo:+oo)

a+8/3-21 = -9 // + 9

a+8/3-21+9 = 0

a-28/3 = 0 // + 28/3

a = 28/3

a = 28/3

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