2/5w-1=7/5w - solution

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Solution for 2/5w-1=7/5w equation:

w in (-oo:+oo)

(2/5)*w-1 = (7/5)*w // - (7/5)*w

(2/5)*w-((7/5)*w)-1 = 0

(2/5)*w+(-7/5)*w-1 = 0

-w-1 = 0 // + 1

-w = 1 // * -1

w = -1

w = -1

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