(-2/21+x/7)=1/2

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Solution for (-2/21+x/7)=1/2 equation: 


x in (-oo:+oo)

x/7-2/21 = 1/2 // - 1/2

x/7-2/21-(1/2) = 0

x/7-2/21-1/2 = 0

1/7*x-25/42 = 0 // + 25/42

1/7*x = 25/42 // : 1/7

x = 25/42/1/7

x = 25/6

x = 25/6

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