1/7(x+7)+1/21(x-21)=x+17

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Solution for 1/7(x+7)+1/21(x-21)=x+17 equation: 


x in (-oo:+oo)

(1/7)*(x+7)+(1/21)*(x-21) = x+17 // - x+17

(1/7)*(x+7)+(1/21)*(x-21)-x-17 = 0

1/7*(x+7)+1/21*(x-21)-x-17 = 0

1/7*(x+7)+1/21*(x-21)-x-17 = 0

4/21*x-x-17 = 0

-17/21*x-17 = 0

-17/21*x-17 = 0

-17/21*x-17 = 0 // + 17

-17/21*x = 17 // : -17/21

x = 17/(-17/21)

x = -21

x = -21

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