5/7+x=1/21+1/9

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Solution for 5/7+x=1/21+1/9 equation:


x in (-oo:+oo)

x+5/7 = 1/21+1/9 // - 1/21+1/9

x+5/7-(1/21)-(1/9) = 0

x+5/7-1/21-1/9 = 0

x+5/9 = 0 // - 5/9

x = -5/9

x = -5/9

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