5/7(x+1)=1/21(x+6)

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Solution for 5/7(x+1)=1/21(x+6) equation: 


x in (-oo:+oo)

(5/7)*(x+1) = (1/21)*(x+6) // - (1/21)*(x+6)

(5/7)*(x+1)-((1/21)*(x+6)) = 0

(5/7)*(x+1)+(-1/21)*(x+6) = 0

5/7*(x+1)-1/21*(x+6) = 0

5/7*(x+1)-1/21*(x+6) = 0

2/3*x+3/7 = 0

2/3*x+3/7 = 0

2/3*x+3/7 = 0 // - 3/7

2/3*x = -3/7 // : 2/3

x = -3/7/2/3

x = -9/14

x = -9/14

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