(1/7)(21x+7)-(1/3)(21x-21)

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Solution for (1/7)(21x+7)-(1/3)(21x-21) equation: 


x in (-oo:+oo)

(1/7)*(21*x+7)-((1/3)*(21*x-21)) = 0

(1/7)*(21*x+7)+(-1/3)*(21*x-21) = 0

1/7*(21*x+7)-1/3*(21*x-21) = 0

1/7*(21*x+7)-1/3*(21*x-21) = 0

8-4*x = 0

8-4*x = 0

8-4*x = 0 // - 8

-4*x = -8 // : -4

x = -8/(-4)

x = 2

x = 2

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