1/7x+1/2=3x

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Solution for 1/7x+1/2=3x equation: 


x in (-oo:+oo)

(1/7)*x+1/2 = 3*x // - 3*x

(1/7)*x-(3*x)+1/2 = 0

(1/7)*x-3*x+1/2 = 0

1/2-20/7*x = 0 // - 1/2

-20/7*x = -1/2 // : -20/7

x = -1/2/(-20/7)

x = 7/40

x = 7/40

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