20+9/3+4.2-7 - solution

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Solution for 20+9/3+4.2-7 equation:

9/3-7+4.2+20 = 0

3-7+4.2+20 = 0

4.2-4+20 = 0

0.2+20 = 0

20.2 = 0

L <> R

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