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x in (-oo:+oo)
(5/12)*(7*x-1)+(2/9)*x = 11*x+15/4 // - 11*x+15/4
(5/12)*(7*x-1)+(2/9)*x-(11*x)-(15/4) = 0
(5/12)*(7*x-1)+(2/9)*x-11*x-15/4 = 0
5/12*(7*x-1)+(2*x)/9-11*x-15/4 = 0
(5/12*4*9*(7*x-1))/(4*9)+(2*4*x)/(4*9)+(-11*4*9*x)/(4*9)+(-15*9)/(4*9) = 0
5/12*4*9*(7*x-1)+2*4*x-11*4*9*x-15*9 = 0
113*x-396*x-135-15 = 0
-283*x-135-15 = 0
-283*x-150 = 0
(-283*x-150)/(4*9) = 0
(-283*x-150)/(4*9) = 0 // * 4*9
-283*x-150 = 0
-283*x-150 = 0 // + 150
-283*x = 150 // : -283
x = 150/(-283)
x = -150/283
x = -150/283
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