21/7+87/9(4+9) - solution

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Solution for 21/7+87/9(4+9) equation:

21/7+(87/9)*(4+9) = 0

(87/9)*(4+9)+3 = 0

29/3*(4+9)+3 = 0

29/3*13+3 = 0

3+377/3 = 0

386/3 = 0

L <> R

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