2/7u+4/7u=-2/5-4/5

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Solution for 2/7u+4/7u=-2/5-4/5 equation: 


u in (-oo:+oo)

(2/7)*u+(4/7)*u = -2/5-(4/5) // + -2/5-(4/5)

(2/7)*u+(4/7)*u-(-2/5)+4/5 = 0

(2/7)*u+(4/7)*u+2/5+4/5 = 0

6/7*u+6/5 = 0 // - 6/5

6/7*u = -6/5 // : 6/7

u = -6/5/6/7

u = -7/5

u = -7/5

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