-4x+6+1/7x=-21 - solution

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Solution for -4x+6+1/7x=-21 equation:

x in (-oo:+oo)

(1/7)*x-4*x+6 = -21 // + 21

(1/7)*x-4*x+6+21 = 0

27-27/7*x = 0 // - 27

-27/7*x = -27 // : -27/7

x = -27/(-27/7)

x = 7

x = 7

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