1-2a+2/7a=1 - solution

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Solution for 1-2a+2/7a=1 equation:

a in (-oo:+oo)

(2/7)*a-(2*a)+1 = 1 // - 1

(2/7)*a-(2*a)-1+1 = 0

(2/7)*a-2*a-1+1 = 0

-12/7*a = 0 // : -12/7

a = 0

a = 0

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