-21/7x=20/21

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Solution for -21/7x=20/21 equation: 


x in (-oo:+oo)

(-21/7)*x = 20/21 // - 20/21

(-21/7)*x-(20/21) = 0

(-21/7)*x-20/21 = 0

-3*x-20/21 = 0 // + 20/21

-3*x = 20/21 // : -3

x = 20/21/(-3)

x = -20/63

x = -20/63

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