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(5*a)/6+(3*a)/4-(7/12) = (-2*u^1)/6 // - (-2*u^1)/6
(5*a)/6+(3*a)/4-((-2*u^1)/6)-(7/12) = 0
(5*a)/6+(3*a)/4+(1/3)*u-7/12 = 0
19/12*a+1/3*u-7/12 = 0
x naleu017Cy do R
x in (-oo:+oo)
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